diff --git a/packages/api-client/src/modules/archon/types.ts b/packages/api-client/src/modules/archon/types.ts
index 7add0d5a84..962adbdb15 100644
--- a/packages/api-client/src/modules/archon/types.ts
+++ b/packages/api-client/src/modules/archon/types.ts
@@ -1111,6 +1111,50 @@ export namespace Archon {
 				version_id: string
 			}
 
+			export type InstallProgressFileKey = {
+				type: 'file'
+				parent_directory: string
+				filename: string
+				install_type: 'install' | 'update'
+			}
+
+			export type InstallProgressModrinthModpackKey = {
+				type: 'modrinth_modpack'
+				project_id: string
+				version_id: string
+			}
+
+			export type InstallProgressLocalModpackKey = {
+				type: 'local_modpack'
+				filename: string
+			}
+
+			export type InstallProgressPlatformKey = {
+				type: 'platform'
+				platform: 'forge' | 'neoforge' | 'fabric' | 'quilt' | 'paper' | 'purpur' | 'vanilla'
+				platform_version: string
+				game_version: string
+			}
+
+			export type InstallProgressKey =
+				| InstallProgressFileKey
+				| InstallProgressModrinthModpackKey
+				| InstallProgressLocalModpackKey
+				| InstallProgressPlatformKey
+
+			export type InstallProgressItem = {
+				world_id: string
+				key: InstallProgressKey
+				id: string
+				progress: number | null
+				error: string | null
+			}
+
+			export type WSInstallProgressEvent = {
+				event: 'install-progress'
+				items: InstallProgressItem[]
+			}
+
 			export type FilesystemOpKind = 'unarchive'
 
 			export type FilesystemOpState =
@@ -1208,6 +1252,7 @@ export namespace Archon {
 				| WSInstallationResultEvent
 				| WSUptimeEvent
 				| WSNewModEvent
+				| WSInstallProgressEvent
 				| WSFilesystemOpsEvent
 
 			export type WSEventType = WSEvent['event']
diff --git a/packages/ui/src/components/servers/InstallingBanner.vue b/packages/ui/src/components/servers/InstallingBanner.vue
index cf8a901019..95635da75b 100644
--- a/packages/ui/src/components/servers/InstallingBanner.vue
+++ b/packages/ui/src/components/servers/InstallingBanner.vue
@@ -1,7 +1,8 @@
 <template>
 	<Admonition
-		:type="contentError ? 'critical' : 'info'"
-		:dismissible="dismissible"
+		v-if="installation"
+		:type="installation.status === 'failed' ? 'critical' : 'info'"
+		:dismissible="installation.status === 'failed'"
 		:progress="progressValue"
 		progress-color="blue"
 		:waiting="isWaiting"
@@ -10,23 +11,8 @@
 		<template #header>
 			{{ headerLabel }}
 		</template>
-		<template v-if="contentError">
-			{{ errorLabel }}
-		</template>
-		<template v-else-if="effectivePhase">{{ phaseLabel }}</template>
-		<div v-else class="ticker-container">
-			<div class="ticker-content">
-				<div
-					v-for="(message, index) in tickerMessages"
-					:key="message"
-					class="ticker-item"
-					:class="{ active: index === currentIndex % tickerMessages.length }"
-				>
-					{{ message }}
-				</div>
-			</div>
-		</div>
-		<template v-if="contentError" #top-right-actions>
+		{{ installation.status === 'failed' ? errorLabel : descriptionLabel }}
+		<template v-if="installation.status === 'failed'" #top-right-actions>
 			<ButtonStyled color="red" type="outlined">
 				<button
 					v-tooltip="retryDisabled ? retryDisabledTooltip : undefined"
@@ -45,29 +31,17 @@
 
 <script setup lang="ts">
 import { RotateCounterClockwiseIcon } from '@modrinth/assets'
-import { computed, onMounted, onUnmounted, ref } from 'vue'
+import { computed, onMounted, onUnmounted, ref, watch } from 'vue'
 
 import { defineMessages, useVIntl } from '#ui/composables/i18n'
+import { injectModrinthServerContext } from '#ui/providers'
 import { commonMessages } from '#ui/utils/common-messages'
+import { formatLoaderLabel } from '#ui/utils/loaders'
 
 import Admonition from '../base/Admonition.vue'
 import ButtonStyled from '../base/ButtonStyled.vue'
 
-export interface SyncProgress {
-	phase: 'Analyzing' | 'InstallingPack' | 'InstallingLoader' | 'Addons'
-	percent: number
-}
-
-export interface ContentError {
-	step: string
-	description: string
-}
-
-const props = defineProps<{
-	progress?: SyncProgress | null
-	fallbackPhase?: SyncProgress['phase'] | null
-	contentError?: ContentError | null
-	dismissible?: boolean
+defineProps<{
 	retryDisabled?: boolean
 	retryDisabledTooltip?: string
 }>()
@@ -78,191 +52,136 @@ const emit = defineEmits<{
 }>()
 
 const { formatMessage } = useVIntl()
+const { installation } = injectModrinthServerContext()
 
 const messages = defineMessages({
 	errorHeader: {
 		id: 'servers.installing-banner.error.header',
 		defaultMessage: 'Installation failed',
 	},
-	preparingHeader: {
-		id: 'servers.installing-banner.preparing.header',
-		defaultMessage: "We're preparing your server",
-	},
-	invalidLoaderVersionError: {
-		id: 'servers.installing-banner.error.invalid-loader-version',
-		defaultMessage:
-			'The specified loader or Minecraft version could not be installed. It may be invalid or unsupported.',
-	},
-	unsupportedLoaderVersionError: {
-		id: 'servers.installing-banner.error.unsupported-loader-version',
-		defaultMessage: 'This version of Minecraft or loader is not yet supported by Modrinth Hosting.',
-	},
-	internalPlatformError: {
-		id: 'servers.installing-banner.error.internal-platform',
-		defaultMessage: 'An internal error occurred while installing the platform. Please try again.',
-	},
-	noPrimaryFileError: {
-		id: 'servers.installing-banner.error.no-primary-file',
-		defaultMessage:
-			'This modpack version does not include a downloadable file. It may have been packaged incorrectly.',
-	},
-	modpackInstallFailedError: {
-		id: 'servers.installing-banner.error.modpack-install-failed',
-		defaultMessage: 'The modpack could not be installed. It may be corrupted or incompatible.',
-	},
 	unknownError: {
 		id: 'servers.installing-banner.error.unknown',
 		defaultMessage: 'An unexpected error occurred during installation.',
 	},
+	preparingHeader: {
+		id: 'servers.installing-banner.preparing.header',
+		defaultMessage: 'Preparing your server',
+	},
 	installingPlatform: {
-		id: 'servers.installing-banner.phase.installing-platform',
-		defaultMessage: 'Installing platform...',
+		id: 'servers.installing-banner.installing-platform',
+		defaultMessage: 'Installing {loader} for Minecraft {version}',
+	},
+	installingMinecraft: {
+		id: 'servers.installing-banner.installing-minecraft',
+		defaultMessage: 'Installing Minecraft {version}',
 	},
 	installingModpack: {
-		id: 'servers.installing-banner.phase.installing-modpack',
-		defaultMessage: 'Installing modpack...',
+		id: 'servers.installing-banner.installing-modpack',
+		defaultMessage: 'Installing modpack',
 	},
-	installingAddons: {
-		id: 'servers.installing-banner.phase.installing-addons',
-		defaultMessage: 'Installing addons...',
+	installingLocalModpack: {
+		id: 'servers.installing-banner.installing-local-modpack',
+		defaultMessage: 'Installing {filename}',
 	},
-	tickerOrganizingFiles: {
-		id: 'servers.installing-banner.ticker.organizing-files',
-		defaultMessage: 'Organizing files...',
+	preparingDescription: {
+		id: 'servers.installing-banner.description.preparing',
+		defaultMessage: 'Preparing your server...',
 	},
-	tickerDownloadingMods: {
-		id: 'servers.installing-banner.ticker.downloading-mods',
-		defaultMessage: 'Downloading mods...',
+	applyingDescription: {
+		id: 'servers.installing-banner.description.applying',
+		defaultMessage: 'Applying your installation changes...',
 	},
-	tickerConfiguringServer: {
-		id: 'servers.installing-banner.ticker.configuring-server',
-		defaultMessage: 'Configuring server...',
+	durationDescription: {
+		id: 'servers.installing-banner.description.duration',
+		defaultMessage: 'This installation may take several minutes...',
 	},
-	tickerSettingUpEnvironment: {
-		id: 'servers.installing-banner.ticker.setting-up-environment',
-		defaultMessage: 'Setting up environment...',
+	controlsDescription: {
+		id: 'servers.installing-banner.description.controls',
+		defaultMessage: 'Server controls will unlock when installation finishes.',
 	},
-	tickerAddingJava: {
-		id: 'servers.installing-banner.ticker.adding-java',
-		defaultMessage: 'Adding Java...',
+	stillWorkingDescription: {
+		id: 'servers.installing-banner.description.still-working',
+		defaultMessage: 'Still working—your installation is in progress...',
 	},
 })
 
-const errorLabel = computed(() => {
-	const desc = props.contentError?.description?.toLowerCase()
-	const step = props.contentError?.step
-
-	if (step === 'modloader') {
-		if (desc === 'the specified version may be incorrect') {
-			return formatMessage(messages.invalidLoaderVersionError)
-		}
-		if (desc === 'this version is not yet supported') {
-			return formatMessage(messages.unsupportedLoaderVersionError)
-		}
-		if (desc === 'internal error') {
-			return formatMessage(messages.internalPlatformError)
-		}
-	}
-
-	if (step === 'modpack') {
-		if (desc?.includes('no primary file')) {
-			return formatMessage(messages.noPrimaryFileError)
-		}
-		if (desc?.includes('failed to install')) {
-			return formatMessage(messages.modpackInstallFailedError)
+const headerLabel = computed(() => {
+	const current = installation.value
+	if (!current) return ''
+	if (current.status === 'failed') return formatMessage(messages.errorHeader)
+
+	switch (current.key.type) {
+		case 'platform': {
+			if (current.key.platform === 'vanilla') {
+				return formatMessage(messages.installingMinecraft, {
+					version: current.key.game_version,
+				})
+			}
+			return formatMessage(messages.installingPlatform, {
+				loader: formatLoaderLabel(current.key.platform),
+				version: current.key.game_version,
+			})
 		}
+		case 'modrinth_modpack':
+			return formatMessage(messages.installingModpack)
+		case 'local_modpack':
+			return formatMessage(messages.installingLocalModpack, {
+				filename: current.key.filename,
+			})
+		case 'unknown':
+			return formatMessage(messages.preparingHeader)
 	}
 
-	return props.contentError?.description ?? formatMessage(messages.unknownError)
+	return formatMessage(messages.preparingHeader)
 })
 
-const effectivePhase = computed(() => props.progress?.phase ?? props.fallbackPhase ?? null)
+const descriptionIndex = ref(0)
+const installationId = computed(() => installation.value?.id ?? null)
 
-const headerLabel = computed(() => {
-	if (props.contentError) return formatMessage(messages.errorHeader)
-	if (effectivePhase.value === 'Addons') return formatMessage(commonMessages.installingContentLabel)
-	return formatMessage(messages.preparingHeader)
+watch(installationId, () => {
+	descriptionIndex.value = 0
 })
 
-const phaseLabel = computed(() => {
-	switch (effectivePhase.value) {
-		case 'InstallingLoader':
-			return formatMessage(messages.installingPlatform)
-		case 'InstallingPack':
-			return formatMessage(messages.installingModpack)
-		case 'Addons':
-			return formatMessage(messages.installingAddons)
+const descriptionLabel = computed(() => {
+	switch (descriptionIndex.value) {
+		case 0:
+			return formatMessage(messages.preparingDescription)
+		case 1:
+			return formatMessage(messages.applyingDescription)
+		case 2:
+			return formatMessage(messages.durationDescription)
 		default:
-			return formatMessage(commonMessages.installingLabel)
+			return descriptionIndex.value % 2 === 1
+				? formatMessage(messages.controlsDescription)
+				: formatMessage(messages.stillWorkingDescription)
 	}
 })
 
+const errorLabel = computed(() => installation.value?.error ?? formatMessage(messages.unknownError))
+
 const progressValue = computed(() => {
-	if (props.contentError) return undefined
-	return props.progress ? props.progress.percent / 100 : 0
+	const current = installation.value
+	if (!current || current.status === 'failed') return undefined
+	return current.progress == null ? 0 : current.progress / 100
 })
 
 const isWaiting = computed(() => {
-	if (props.contentError) return false
-	return !props.progress || props.progress.percent <= 0
+	const current = installation.value
+	if (!current || current.status === 'failed') return false
+	return current.progress == null || current.progress <= 0
 })
 
-const tickerMessages = computed(() => [
-	formatMessage(messages.tickerOrganizingFiles),
-	formatMessage(messages.tickerDownloadingMods),
-	formatMessage(messages.tickerConfiguringServer),
-	formatMessage(messages.tickerSettingUpEnvironment),
-	formatMessage(messages.tickerAddingJava),
-])
-
-const currentIndex = ref(0)
-
 let intervalId: ReturnType<typeof setInterval> | null = null
 
 onMounted(() => {
 	intervalId = setInterval(() => {
-		currentIndex.value = (currentIndex.value + 1) % tickerMessages.value.length
-	}, 3000)
+		if (installation.value?.status === 'pending' || installation.value?.status === 'installing') {
+			descriptionIndex.value += 1
+		}
+	}, 15_000)
 })
 
 onUnmounted(() => {
-	if (intervalId) {
-		clearInterval(intervalId)
-	}
+	if (intervalId) clearInterval(intervalId)
 })
 </script>
-
-<style scoped>
-.ticker-container {
-	height: 20px;
-	width: 100%;
-	position: relative;
-}
-
-.ticker-content {
-	position: relative;
-	width: 100%;
-}
-
-.ticker-item {
-	position: absolute;
-	top: 0;
-	left: 0;
-	width: 100%;
-	height: 20px;
-	display: flex;
-	align-items: center;
-	white-space: nowrap;
-	color: var(--color-secondary-text);
-	opacity: 0;
-	transform: scale(0.9);
-	filter: blur(4px);
-	transition: all 0.3s ease-in-out;
-}
-
-.ticker-item.active {
-	opacity: 1;
-	transform: scale(1);
-	filter: blur(0);
-}
-</style>
diff --git a/packages/ui/src/components/servers/ServerSetupModal.vue b/packages/ui/src/components/servers/ServerSetupModal.vue
index bdaba6afa2..528020ca19 100644
--- a/packages/ui/src/components/servers/ServerSetupModal.vue
+++ b/packages/ui/src/components/servers/ServerSetupModal.vue
@@ -131,6 +131,11 @@ async function onFlowComplete(ctx: CreationFlowContextValue) {
 			await handleMrpackUpload(ctx.modpackFile.value, ctx.buildProperties())
 		} else if (ctx.setupType.value === 'modpack' && ctx.modpackSelection.value) {
 			debug('onFlowComplete: modpack selection path, calling installContent')
+			serverContext.beginInstallation({
+				type: 'modrinth_modpack',
+				project_id: ctx.modpackSelection.value.projectId,
+				version_id: ctx.modpackSelection.value.versionId,
+			})
 			await client.archon.content_v1.installContent(
 				serverContext.serverId,
 				serverContext.worldId.value!,
@@ -159,6 +164,15 @@ async function onFlowComplete(ctx: CreationFlowContextValue) {
 				apiLoader: toApiLoader(loader ?? 'vanilla'),
 			})
 
+			serverContext.beginInstallation({
+				type: 'platform',
+				platform: (loader ?? 'vanilla') as Extract<
+					Archon.Websocket.v0.InstallProgressKey,
+					{ type: 'platform' }
+				>['platform'],
+				platform_version: loaderVersion,
+				game_version: ctx.selectedGameVersion.value ?? '',
+			})
 			await client.archon.content_v1.installContent(
 				serverContext.serverId,
 				serverContext.worldId.value!,
@@ -183,6 +197,7 @@ async function onFlowComplete(ctx: CreationFlowContextValue) {
 		creationFlowRef.value?.hide()
 	} catch (error) {
 		debug('onFlowComplete: ERROR', error)
+		serverContext.cancelOptimisticInstallation()
 		if ((error as ModrinthApiError).statusCode === 429) {
 			addNotification({
 				title: formatMessage(messages.rateLimitTitle),
@@ -210,6 +225,10 @@ async function handleMrpackUpload(file: File, properties: Archon.Content.v1.Prop
 		{ softOverride: false },
 	)
 	await uploadProgressModal.value!.track(handle)
+	serverContext.beginInstallation({
+		type: 'local_modpack',
+		filename: file.name,
+	})
 	emitReinstall()
 }
 
diff --git a/packages/ui/src/components/servers/admonitions/ServerPanelAdmonitions.vue b/packages/ui/src/components/servers/admonitions/ServerPanelAdmonitions.vue
index 87e9a12746..a7938c79a9 100644
--- a/packages/ui/src/components/servers/admonitions/ServerPanelAdmonitions.vue
+++ b/packages/ui/src/components/servers/admonitions/ServerPanelAdmonitions.vue
@@ -1,15 +1,12 @@
 <script setup lang="ts">
-import { computed, reactive, ref, watch } from 'vue'
+import { computed, reactive, ref } from 'vue'
 import { useRoute } from 'vue-router'
 
 import Admonition from '#ui/components/base/Admonition.vue'
 import StackedAdmonitions, {
 	type StackedAdmonitionItem,
 } from '#ui/components/base/StackedAdmonitions.vue'
-import InstallingBanner, {
-	type ContentError,
-	type SyncProgress,
-} from '#ui/components/servers/InstallingBanner.vue'
+import InstallingBanner from '#ui/components/servers/InstallingBanner.vue'
 import { defineMessages, useVIntl } from '#ui/composables/i18n'
 import { useServerBackupsQueue } from '#ui/composables/server-backups-queue'
 import { useServerPermissions } from '#ui/composables/server-permissions'
@@ -20,13 +17,8 @@ import BackupAdmonition, { type BackupAdmonitionEntry } from './BackupAdmonition
 import FileOperationAdmonition from './FileOperationAdmonition.vue'
 import UploadAdmonition from './UploadAdmonition.vue'
 
-const props = defineProps<{
-	syncProgress?: SyncProgress | null
-	contentError?: ContentError | null
-}>()
-
 const emit = defineEmits<{
-	'content-retry': []
+	'installation-retry': []
 }>()
 
 const { formatMessage } = useVIntl()
@@ -58,28 +50,18 @@ const messages = defineMessages({
 const isOnContentTab = computed(() => route.path.includes('/content'))
 const isOnFilesTab = computed(() => route.path.includes('/files'))
 
-const bannerCoversInstalling = computed(
-	() =>
-		ctx.server.value?.status === 'installing' ||
-		ctx.isSyncingContent.value ||
-		ctx.busyReasons.value.some(
-			(r) =>
-				r.reason.id === 'servers.busy.installing' || r.reason.id === 'servers.busy.syncing-content',
-		),
-)
-
 function isBackupReason(id: string) {
 	return id === 'servers.busy.backup-creating' || id === 'servers.busy.backup-restoring'
 }
 
 function isInstallingReason(id: string) {
-	return id === 'servers.busy.installing' || id === 'servers.busy.syncing-content'
+	return id === 'servers.busy.installing'
 }
 
 const filteredBusyReasons = computed(() =>
 	ctx.busyReasons.value.filter((r) => {
 		if (isBackupReason(r.reason.id)) return false
-		if (bannerCoversInstalling.value && isInstallingReason(r.reason.id)) return false
+		if (isInstallingReason(r.reason.id)) return false
 		return true
 	}),
 )
@@ -95,17 +77,6 @@ const filesBusyHeader = computed(() =>
 const dismissedIds = reactive(new Set<string>())
 const cancellingIds = reactive(new Set<string>())
 const uploadCancelling = ref(false)
-const dismissedContentErrorKey = ref<string | null>(null)
-
-const contentErrorKey = computed(() =>
-	props.contentError ? `${props.contentError.step}:${props.contentError.description}` : null,
-)
-
-watch(contentErrorKey, (key) => {
-	if (!key) {
-		dismissedContentErrorKey.value = null
-	}
-})
 
 const backupAdmonitionEntries = computed<BackupAdmonitionEntry[]>(() => {
 	const result: BackupAdmonitionEntry[] = []
@@ -171,12 +142,7 @@ type ServerAdmonitionItem = StackedAdmonitionItem & {
 	)
 
 const showInstallingBanner = computed(() => {
-	if (!ctx.server.value) return false
-	const installing = bannerCoversInstalling.value || !!props.contentError
-	if (!installing) return false
-	if (contentErrorKey.value && dismissedContentErrorKey.value === contentErrorKey.value)
-		return false
-	return props.syncProgress?.phase !== 'Analyzing'
+	return !!ctx.installation.value && ctx.installation.value.status !== 'complete'
 })
 
 function fsOpType(op: FileOperation): StackedAdmonitionItem['type'] {
@@ -210,10 +176,11 @@ const stackItems = computed<ServerAdmonitionItem[]>(() => {
 	let sortIndex = 0
 
 	if (showInstallingBanner.value) {
+		const failed = ctx.installation.value?.status === 'failed'
 		out.push({
 			id: 'installing',
-			type: props.contentError ? 'critical' : 'info',
-			dismissible: !!props.contentError,
+			type: failed ? 'critical' : 'info',
+			dismissible: failed,
 			kind: 'installing',
 			priority: 0,
 			sortIndex: sortIndex++,
@@ -365,8 +332,8 @@ async function onDismissAll() {
 	const tasks: Promise<unknown>[] = []
 	for (const it of stackItems.value) {
 		if (!it.dismissible) continue
-		if (it.kind === 'installing' && props.contentError) {
-			onContentErrorDismiss()
+		if (it.kind === 'installing') {
+			onInstallationDismiss()
 		} else if (it.kind === 'fs-op' && it.op.id) {
 			const { op } = it
 			if (op.state === 'done' || op.state?.startsWith('fail')) {
@@ -385,9 +352,9 @@ function onFileOpDismiss(item: ServerAdmonitionItem) {
 	}
 }
 
-function onContentErrorDismiss() {
-	if (contentErrorKey.value) {
-		dismissedContentErrorKey.value = contentErrorKey.value
+function onInstallationDismiss() {
+	if (ctx.installation.value) {
+		ctx.dismissInstallation(ctx.installation.value.id)
 	}
 }
 </script>
@@ -402,14 +369,10 @@ function onContentErrorDismiss() {
 		<template #item="{ item, dismissible }">
 			<InstallingBanner
 				v-if="item.kind === 'installing'"
-				:progress="syncProgress"
-				:fallback-phase="isOnContentTab && !syncProgress ? 'Addons' : null"
-				:content-error="contentError"
-				:dismissible="dismissible && !!contentError"
 				:retry-disabled="!canSetup"
 				:retry-disabled-tooltip="permissionDeniedMessage"
-				@dismiss="onContentErrorDismiss"
-				@retry="emit('content-retry')"
+				@dismiss="onInstallationDismiss"
+				@retry="emit('installation-retry')"
 			/>
 			<UploadAdmonition
 				v-else-if="item.kind === 'upload'"
diff --git a/packages/ui/src/components/servers/server-header/use-server-power-action.ts b/packages/ui/src/components/servers/server-header/use-server-power-action.ts
index 2c0743ce0f..4978193ddc 100644
--- a/packages/ui/src/components/servers/server-header/use-server-power-action.ts
+++ b/packages/ui/src/components/servers/server-header/use-server-power-action.ts
@@ -13,20 +13,12 @@ export type PowerAction = 'Start' | 'Stop' | 'Restart' | 'Kill'
 export function useServerPowerAction(options?: { disabled?: Ref<boolean> }) {
 	const { formatMessage } = useVIntl()
 	const client = injectModrinthClient()
-	const { serverId, server, powerState, isSyncingContent, busyReasons } =
-		injectModrinthServerContext()
+	const { serverId, powerState, busyReasons } = injectModrinthServerContext()
 	const { addNotification } = injectNotificationManager()
 	const { canUsePowerActions, permissionDeniedMessage } = useServerPermissions()
 
-	const isInstalling = computed(
-		() =>
-			server.value.status === 'installing' ||
-			isSyncingContent.value ||
-			busyReasons.value.some(
-				(r) =>
-					r.reason.id === 'servers.busy.installing' ||
-					r.reason.id === 'servers.busy.syncing-content',
-			),
+	const isInstalling = computed(() =>
+		busyReasons.value.some((reason) => reason.reason.id === 'servers.busy.installing'),
 	)
 	const isRunning = computed(() => powerState.value === 'running')
 	const isStopping = computed(() => powerState.value === 'stopping')
diff --git a/packages/ui/src/composables/server-installation-tracker.ts b/packages/ui/src/composables/server-installation-tracker.ts
new file mode 100644
index 0000000000..879f5deca0
--- /dev/null
+++ b/packages/ui/src/composables/server-installation-tracker.ts
@@ -0,0 +1,204 @@
+import type { Archon } from '@modrinth/api-client'
+import type { ComputedRef, Ref } from 'vue'
+import { computed, ref } from 'vue'
+
+type ReadableRef<T> = Ref<T> | ComputedRef<T>
+
+export type ServerInstallationKey =
+	| Exclude<Archon.Websocket.v0.InstallProgressKey, { type: 'file' }>
+	| { type: 'unknown' }
+
+export type ServerInstallationState = {
+	id: string
+	key: ServerInstallationKey
+	status: 'pending' | 'installing' | 'complete' | 'failed'
+	progress: number | null
+	error: string | null
+	source: 'optimistic' | 'websocket' | 'server'
+}
+
+type OptimisticInstallation = {
+	id: string
+	key: ServerInstallationKey
+	startRevision: number
+}
+
+type UseServerInstallationTrackerOptions = {
+	worldId: ReadableRef<string | null>
+	server: ReadableRef<Archon.Servers.v0.Server | null | undefined>
+}
+
+function installationKeyId(key: ServerInstallationKey) {
+	switch (key.type) {
+		case 'platform':
+			return `platform:${key.platform}:${key.platform_version}:${key.game_version}`
+		case 'modrinth_modpack':
+			return `modrinth-modpack:${key.project_id}:${key.version_id}`
+		case 'local_modpack':
+			return `local-modpack:${key.filename}`
+		case 'unknown':
+			return 'unknown'
+	}
+}
+
+function itemStatus(
+	item: Archon.Websocket.v0.InstallProgressItem,
+): ServerInstallationState['status'] {
+	if (item.error != null) return 'failed'
+	if (item.progress === 100) return 'complete'
+	return 'installing'
+}
+
+export function useServerInstallationTracker(options: UseServerInstallationTrackerOptions) {
+	const installProgressItems = ref<Archon.Websocket.v0.InstallProgressItem[]>([])
+	const optimisticInstallation = ref<OptimisticInstallation | null>(null)
+	const receivedProgressSnapshot = ref(false)
+	const snapshotRevision = ref(0)
+	const seenActiveIds = ref(new Set<string>())
+	const dismissedIds = ref(new Set<string>())
+	let unknownInstallationId = 0
+
+	const currentWorldItems = computed(() =>
+		installProgressItems.value.filter((item) => item.world_id === options.worldId.value),
+	)
+
+	const websocketInstallation = computed<ServerInstallationState | null>(() => {
+		const optimistic = optimisticInstallation.value
+		const candidates = currentWorldItems.value.filter(
+			(item) => item.key.type !== 'file' && !dismissedIds.value.has(installationKeyId(item.key)),
+		)
+
+		for (const item of candidates) {
+			if (item.key.type === 'file') continue
+			const id = installationKeyId(item.key)
+			const status = itemStatus(item)
+			if (status === 'complete') {
+				if (
+					optimistic &&
+					snapshotRevision.value <= optimistic.startRevision &&
+					!seenActiveIds.value.has(id)
+				) {
+					continue
+				}
+				if (
+					!optimistic &&
+					!seenActiveIds.value.has(id) &&
+					options.server.value?.status !== 'installing'
+				) {
+					continue
+				}
+			}
+
+			return {
+				id,
+				key: item.key,
+				status,
+				progress: item.progress,
+				error: item.error,
+				source: 'websocket',
+			}
+		}
+
+		return null
+	})
+
+	const installation = computed<ServerInstallationState | null>(() => {
+		if (websocketInstallation.value) return websocketInstallation.value
+
+		const optimistic = optimisticInstallation.value
+		if (optimistic && !dismissedIds.value.has(optimistic.id)) {
+			return {
+				id: optimistic.id,
+				key: optimistic.key,
+				status: 'pending',
+				progress: null,
+				error: null,
+				source: 'optimistic',
+			}
+		}
+
+		if (options.server.value?.status !== 'installing' || receivedProgressSnapshot.value) return null
+
+		return {
+			id: `unknown:${unknownInstallationId}`,
+			key: { type: 'unknown' },
+			status: 'installing',
+			progress: null,
+			error: null,
+			source: 'server',
+		}
+	})
+
+	const isBlocking = computed(
+		() => installation.value?.status === 'pending' || installation.value?.status === 'installing',
+	)
+
+	function handleProgress(items: Archon.Websocket.v0.InstallProgressItem[]) {
+		snapshotRevision.value += 1
+		receivedProgressSnapshot.value = true
+		installProgressItems.value = items
+
+		const nextSeenActiveIds = new Set(seenActiveIds.value)
+		const nextDismissedIds = new Set(dismissedIds.value)
+		let hasAuthoritativeInstallation = false
+		for (const item of items) {
+			if (item.world_id !== options.worldId.value || item.key.type === 'file') continue
+			hasAuthoritativeInstallation = true
+			const id = installationKeyId(item.key)
+			if (item.error == null && item.progress != null && item.progress < 100) {
+				nextSeenActiveIds.add(id)
+				nextDismissedIds.delete(id)
+			}
+		}
+		seenActiveIds.value = nextSeenActiveIds
+		dismissedIds.value = nextDismissedIds
+		if (hasAuthoritativeInstallation) {
+			optimisticInstallation.value = null
+		}
+	}
+
+	function begin(key: ServerInstallationKey) {
+		const id =
+			key.type === 'unknown' ? `unknown:${++unknownInstallationId}` : installationKeyId(key)
+		const nextDismissedIds = new Set(dismissedIds.value)
+		nextDismissedIds.delete(id)
+		dismissedIds.value = nextDismissedIds
+		optimisticInstallation.value = {
+			id,
+			key,
+			startRevision: snapshotRevision.value,
+		}
+	}
+
+	function cancelOptimistic() {
+		optimisticInstallation.value = null
+	}
+
+	function dismiss(id: string) {
+		dismissedIds.value = new Set([...dismissedIds.value, id])
+		if (optimisticInstallation.value?.id === id) {
+			optimisticInstallation.value = null
+		}
+	}
+
+	function reset() {
+		installProgressItems.value = []
+		optimisticInstallation.value = null
+		receivedProgressSnapshot.value = false
+		snapshotRevision.value = 0
+		seenActiveIds.value = new Set()
+		dismissedIds.value = new Set()
+		unknownInstallationId = 0
+	}
+
+	return {
+		begin,
+		cancelOptimistic,
+		dismiss,
+		handleProgress,
+		installation,
+		installProgressItems,
+		isBlocking,
+		reset,
+	}
+}
diff --git a/packages/ui/src/composables/server-manage-core-runtime.ts b/packages/ui/src/composables/server-manage-core-runtime.ts
index e74799361a..599a5261c9 100644
--- a/packages/ui/src/composables/server-manage-core-runtime.ts
+++ b/packages/ui/src/composables/server-manage-core-runtime.ts
@@ -12,6 +12,7 @@ import { injectModrinthClient, provideModrinthServerContext } from '../providers
 import type { BusyReason, CancelUploadHandler, ServerStats } from '../providers/server-context'
 import { defineMessage } from './i18n'
 import { useModrinthServersConsole } from './server-console'
+import { useServerInstallationTracker } from './server-installation-tracker'
 
 type ReadableRef<T> = Ref<T> | ComputedRef<T>
 type SocketUnsubscriber = () => void
@@ -26,7 +27,6 @@ type UseServerManageCoreRuntimeOptions = {
 	worldId: ReadableRef<string | null>
 	server: ReadableRef<Archon.Servers.v0.Server | null | undefined>
 	serverFull?: ReadableRef<Archon.Servers.v1.ServerFull | null | undefined>
-	isSyncingContent: ReadableRef<boolean>
 	extraBusyReasons?: ComputedRef<BusyReason[]>
 	setDisconnectedOnAuthIncorrect?: boolean
 	syncUptimeFromState?: boolean
@@ -96,6 +96,19 @@ export function useServerManageCoreRuntime(options: UseServerManageCoreRuntimeOp
 	const fsAuth = ref<{ url: string; token: string } | null>(null)
 	const fsOps = ref<Archon.Websocket.v0.FilesystemOperation[]>([])
 	const fsQueuedOps = ref<Archon.Websocket.v0.QueuedFilesystemOp[]>([])
+	const {
+		begin: beginInstallation,
+		cancelOptimistic: cancelOptimisticInstallation,
+		dismiss: dismissInstallation,
+		handleProgress: handleInstallProgress,
+		installation,
+		installProgressItems,
+		isBlocking: isInstallationBlocking,
+		reset: resetInstallation,
+	} = useServerInstallationTracker({
+		worldId: options.worldId,
+		server: options.server,
+	})
 	const connectedSocketServerId = ref<string | null>(null)
 	const socketUnsubscribers = ref<SocketUnsubscriber[]>([])
 	const cpuData = ref<number[]>([])
@@ -107,7 +120,7 @@ export function useServerManageCoreRuntime(options: UseServerManageCoreRuntimeOp
 
 	const busyReasons = computed<BusyReason[]>(() => {
 		const reasons: BusyReason[] = []
-		if (options.server.value?.status === 'installing') {
+		if (isInstallationBlocking.value) {
 			reasons.push({
 				reason: defineMessage({
 					id: 'servers.busy.installing',
@@ -115,14 +128,6 @@ export function useServerManageCoreRuntime(options: UseServerManageCoreRuntimeOp
 				}),
 			})
 		}
-		if (options.isSyncingContent.value) {
-			reasons.push({
-				reason: defineMessage({
-					id: 'servers.busy.syncing-content',
-					defaultMessage: 'Content sync in progress',
-				}),
-			})
-		}
 		if (options.extraBusyReasons) reasons.push(...options.extraBusyReasons.value)
 		return reasons
 	})
@@ -265,6 +270,11 @@ export function useServerManageCoreRuntime(options: UseServerManageCoreRuntimeOp
 		startUptimeTicker()
 	}
 
+	const handleInstallProgressEvent = (data: Archon.Websocket.v0.WSInstallProgressEvent) => {
+		if (!shouldProcessEvent()) return
+		handleInstallProgress(data.items)
+	}
+
 	const handleAuthIncorrect = () => {
 		if (!shouldProcessEvent()) return
 		isWsAuthIncorrect.value = true
@@ -301,6 +311,7 @@ export function useServerManageCoreRuntime(options: UseServerManageCoreRuntimeOp
 		serverPowerState.value = 'stopped'
 		powerStateDetails.value = undefined
 		uptimeSeconds.value = 0
+		resetInstallation()
 	}
 
 	const connectSocket = async (
@@ -317,15 +328,6 @@ export function useServerManageCoreRuntime(options: UseServerManageCoreRuntimeOp
 		disconnectSocket(connectedSocketServerId.value ?? undefined)
 
 		try {
-			const safeConnectOptions = connectOptions.force ? { force: true } : undefined
-			await client.archon.sockets.safeConnect(targetServerId, safeConnectOptions)
-			connectedSocketServerId.value = targetServerId
-			isConnected.value = true
-			isWsAuthIncorrect.value = false
-
-			modrinthServersConsole.clear()
-			modrinthServersConsole.beginInitialLogHydration()
-
 			const baseSubscriptions: SocketUnsubscriber[] = [
 				client.archon.sockets.on(targetServerId, 'log', handleLog),
 				client.archon.sockets.on(targetServerId, 'log4j', handleLog4j),
@@ -333,14 +335,26 @@ export function useServerManageCoreRuntime(options: UseServerManageCoreRuntimeOp
 				client.archon.sockets.on(targetServerId, 'state', handleState),
 				client.archon.sockets.on(targetServerId, 'power-state', handlePowerState),
 				client.archon.sockets.on(targetServerId, 'uptime', handleUptime),
+				client.archon.sockets.on(targetServerId, 'install-progress', handleInstallProgressEvent),
 				client.archon.sockets.on(targetServerId, 'auth-incorrect', handleAuthIncorrect),
 				client.archon.sockets.on(targetServerId, 'auth-ok', handleAuthOk),
 			]
 			const extraSubscriptions = connectOptions.extraSubscriptions?.(targetServerId) ?? []
 			socketUnsubscribers.value = [...baseSubscriptions, ...extraSubscriptions]
+
+			const safeConnectOptions = connectOptions.force ? { force: true } : undefined
+			await client.archon.sockets.safeConnect(targetServerId, safeConnectOptions)
+			connectedSocketServerId.value = targetServerId
+			isConnected.value = true
+			isWsAuthIncorrect.value = false
+
+			modrinthServersConsole.clear()
+			modrinthServersConsole.beginInitialLogHydration()
+
 			return true
 		} catch (error) {
 			console.error('[hosting/manage] Failed to connect server socket:', error)
+			clearSocketListeners()
 			isConnected.value = false
 			return false
 		}
@@ -402,7 +416,11 @@ export function useServerManageCoreRuntime(options: UseServerManageCoreRuntimeOp
 		isServerRunning,
 		stats,
 		uptimeSeconds,
-		isSyncingContent: options.isSyncingContent as Ref<boolean>,
+		installProgressItems,
+		installation,
+		beginInstallation,
+		cancelOptimisticInstallation,
+		dismissInstallation,
 		busyReasons,
 		fsAuth,
 		fsOps,
@@ -423,20 +441,25 @@ export function useServerManageCoreRuntime(options: UseServerManageCoreRuntimeOp
 
 	return {
 		activeOperations,
+		beginInstallation,
 		busyReasons,
 		cancelUpload,
+		cancelOptimisticInstallation,
 		cleanupCoreRuntime,
 		connectSocket,
 		connectedSocketServerId,
 		cpuData,
 		disconnectSocket,
+		dismissInstallation,
 		dismissOperation,
 		fsAuth,
 		fsOps,
 		fsQueuedOps,
+		installation,
 		isConnected,
 		isServerRunning,
 		isWsAuthIncorrect,
+		installProgressItems,
 		powerStateDetails,
 		ramData,
 		refreshFsAuth,
diff --git a/packages/ui/src/layouts/shared/content-tab/components/ContentCardItem.vue b/packages/ui/src/layouts/shared/content-tab/components/ContentCardItem.vue
index 831866e867..8a8c60fd73 100644
--- a/packages/ui/src/layouts/shared/content-tab/components/ContentCardItem.vue
+++ b/packages/ui/src/layouts/shared/content-tab/components/ContentCardItem.vue
@@ -18,6 +18,7 @@ import BulletDivider from '#ui/components/base/BulletDivider.vue'
 import ButtonStyled from '#ui/components/base/ButtonStyled.vue'
 import Checkbox from '#ui/components/base/Checkbox.vue'
 import type { Option as OverflowMenuOption } from '#ui/components/base/OverflowMenu.vue'
+import ProgressSpinner from '#ui/components/base/ProgressSpinner.vue'
 import TeleportOverflowMenu from '#ui/components/base/TeleportOverflowMenu.vue'
 import Toggle from '#ui/components/base/Toggle.vue'
 import { defineMessages, useVIntl } from '#ui/composables/i18n'
@@ -48,6 +49,7 @@ interface Props {
 	owner?: ContentOwner
 	enabled?: boolean
 	installing?: boolean
+	installProgress?: number | null
 	hasUpdate?: boolean
 	isClientOnly?: boolean
 	clientWarning?: ClientWarningType | null
@@ -70,6 +72,7 @@ const props = withDefaults(defineProps<Props>(), {
 	owner: undefined,
 	enabled: undefined,
 	installing: false,
+	installProgress: undefined,
 	hasUpdate: false,
 	isClientOnly: false,
 	clientWarning: null,
@@ -121,6 +124,11 @@ const clientWarningMessage = computed(() => {
 
 const { shift: shiftHeld } = useMagicKeys()
 const deleteHovered = ref(false)
+const installTooltip = computed(() => {
+	if (!props.installing) return undefined
+	if (props.installProgress == null) return formatMessage(commonMessages.installingLabel)
+	return `${formatMessage(commonMessages.installingLabel)} (${Math.round(props.installProgress)}%)`
+})
 </script>
 
 <template>
@@ -144,6 +152,7 @@ const deleteHovered = ref(false)
 				v-if="showCheckbox"
 				:model-value="selected ?? false"
 				:aria-label="formatMessage(messages.selectProject, { project: project.title })"
+				:disabled="isDisabled"
 				class="shrink-0"
 				@update:model-value="(value, event) => emit('select', value, event)"
 			/>
@@ -152,10 +161,7 @@ const deleteHovered = ref(false)
 				class="flex min-w-0 items-center gap-3 transition-[filter,opacity] duration-200"
 				:class="enabled === false && !disabled ? 'grayscale opacity-50' : ''"
 			>
-				<div
-					v-tooltip="installing ? formatMessage(commonMessages.installingLabel) : undefined"
-					class="relative flex shrink-0 items-center"
-				>
+				<div v-tooltip="installTooltip" class="relative flex shrink-0 items-center">
 					<Avatar
 						:src="project.icon_url"
 						:alt="project.title"
@@ -167,7 +173,13 @@ const deleteHovered = ref(false)
 						v-if="installing"
 						class="absolute inset-0 flex items-center justify-center rounded-2xl bg-black/20"
 					>
-						<SpinnerIcon class="size-5 animate-spin text-white" />
+						<ProgressSpinner
+							v-if="installProgress != null && installProgress > 0"
+							:progress="installProgress"
+							:max="100"
+							class="size-5 text-white"
+						/>
+						<SpinnerIcon v-else class="size-5 animate-spin text-white" />
 					</div>
 				</div>
 				<div class="flex min-w-0 flex-col gap-0.5">
diff --git a/packages/ui/src/layouts/shared/content-tab/components/ContentCardTable.vue b/packages/ui/src/layouts/shared/content-tab/components/ContentCardTable.vue
index d9bb586159..5d48a891d7 100644
--- a/packages/ui/src/layouts/shared/content-tab/components/ContentCardTable.vue
+++ b/packages/ui/src/layouts/shared/content-tab/components/ContentCardTable.vue
@@ -104,20 +104,24 @@ defineExpose({
 })
 
 // Selection logic
+const selectableItems = computed(() => props.items.filter((item) => !item.disabled))
+
 const allSelected = computed(() => {
-	if (props.items.length === 0) return false
-	return props.items.every((item) => selectedIds.value.includes(item.id))
+	if (selectableItems.value.length === 0) return false
+	return selectableItems.value.every((item) => selectedIds.value.includes(item.id))
 })
 
 const someSelected = computed(() => {
-	return props.items.some((item) => selectedIds.value.includes(item.id)) && !allSelected.value
+	return (
+		selectableItems.value.some((item) => selectedIds.value.includes(item.id)) && !allSelected.value
+	)
 })
 
 function toggleSelectAll() {
 	if (allSelected.value || someSelected.value) {
 		selectedIds.value = []
 	} else {
-		selectedIds.value = props.items.map((item) => item.id)
+		selectedIds.value = selectableItems.value.map((item) => item.id)
 	}
 }
 
@@ -132,7 +136,10 @@ function toggleItemSelection(
 	if (selected && event?.shiftKey && lastSelectedIndex.value !== null && index !== undefined) {
 		const start = Math.min(lastSelectedIndex.value, index)
 		const end = Math.max(lastSelectedIndex.value, index)
-		const rangeIds = props.items.slice(start, end + 1).map((item) => item.id)
+		const rangeIds = props.items
+			.slice(start, end + 1)
+			.filter((item) => !item.disabled)
+			.map((item) => item.id)
 		const merged = new Set([...selectedIds.value, ...rangeIds])
 		selectedIds.value = [...merged]
 	} else if (selected) {
@@ -192,6 +199,7 @@ function handleSort(column: ContentCardTableSortColumn) {
 					:model-value="allSelected"
 					:indeterminate="someSelected"
 					:aria-label="formatMessage(commonMessages.selectAllLabel)"
+					:disabled="selectableItems.length === 0"
 					class="shrink-0"
 					@update:model-value="toggleSelectAll"
 				/>
@@ -266,6 +274,7 @@ function handleSort(column: ContentCardTableSortColumn) {
 					:owner="item.owner"
 					:enabled="item.enabled"
 					:installing="item.installing"
+					:install-progress="item.installProgress"
 					:has-update="item.hasUpdate"
 					:is-client-only="item.isClientOnly"
 					:client-warning="item.clientWarning"
@@ -329,6 +338,7 @@ function handleSort(column: ContentCardTableSortColumn) {
 				:owner="item.owner"
 				:enabled="item.enabled"
 				:installing="item.installing"
+				:install-progress="item.installProgress"
 				:has-update="item.hasUpdate"
 				:is-client-only="item.isClientOnly"
 				:client-warning="item.clientWarning"
diff --git a/packages/ui/src/layouts/shared/content-tab/layout.vue b/packages/ui/src/layouts/shared/content-tab/layout.vue
index bdee7c24a8..76852bea92 100644
--- a/packages/ui/src/layouts/shared/content-tab/layout.vue
+++ b/packages/ui/src/layouts/shared/content-tab/layout.vue
@@ -286,6 +286,7 @@ const tableItems = computed<ContentCardTableItem[]>(() => {
 			toggleDisabled: ctx.isBusy.value,
 			toggleDisabledTooltip: ctx.isBusy.value ? (ctx.busyMessage?.value ?? null) : null,
 			installing: item.installing === true,
+			installProgress: item.installProgress,
 			hasUpdate: base.hasUpdate ?? item.has_update,
 			isClientOnly:
 				isClientOnlyEnvironment(item.environment) ||
diff --git a/packages/ui/src/layouts/shared/content-tab/types.ts b/packages/ui/src/layouts/shared/content-tab/types.ts
index c92f8216a9..a94827b066 100644
--- a/packages/ui/src/layouts/shared/content-tab/types.ts
+++ b/packages/ui/src/layouts/shared/content-tab/types.ts
@@ -50,6 +50,7 @@ export interface ContentCardTableItem {
 	toggleDisabled?: boolean
 	toggleDisabledTooltip?: string | null
 	installing?: boolean
+	installProgress?: number | null
 	hasUpdate?: boolean
 	isClientOnly?: boolean
 	clientWarning?: ClientWarningType | null
@@ -85,6 +86,7 @@ export interface ContentItem extends Omit<
 	pack_client_retained?: boolean
 	pack_client_depends?: boolean
 	installing?: boolean
+	installProgress?: number | null
 	source_kind?: ContentSourceKind | null
 	external?: boolean
 	external_url?: string
diff --git a/packages/ui/src/layouts/shared/server-settings/pages/installation.vue b/packages/ui/src/layouts/shared/server-settings/pages/installation.vue
index 3d943bd823..82aa344ebe 100644
--- a/packages/ui/src/layouts/shared/server-settings/pages/installation.vue
+++ b/packages/ui/src/layouts/shared/server-settings/pages/installation.vue
@@ -107,9 +107,19 @@ import { injectFilePicker } from '#ui/providers/file-picker'
 
 const debug = useDebugLogger('LoaderPage')
 const client = injectModrinthClient()
-const { server, serverId, worldId, isSyncingContent, busyReasons } = injectModrinthServerContext()
+const {
+	beginInstallation,
+	busyReasons,
+	cancelOptimisticInstallation,
+	installation,
+	server,
+	serverId,
+	worldId,
+} = injectModrinthServerContext()
 const { addNotification } = injectNotificationManager()
 const queryClient = useQueryClient()
+const serverDetailQueryKey = ['servers', 'detail', serverId] as const
+const addonsQueryKey = ['content', 'list', 'v1', serverId] as const
 const tags = injectTags()
 const { formatMessage } = useVIntl()
 const serverSettings = injectServerSettings()
@@ -202,19 +212,7 @@ const emit = defineEmits<{
 	'reinstall-failed': []
 }>()
 
-const isInstalling = computed(() => {
-	const val =
-		server.value?.status === 'installing' || isSyncingContent.value || busyReasons.value.length > 0
-	debug(
-		'isInstalling:',
-		val,
-		'server.status:',
-		server.value?.status,
-		'isSyncingContent:',
-		isSyncingContent.value,
-	)
-	return val
-})
+const isInstalling = computed(() => busyReasons.value.length > 0)
 const setupActionDisabled = computed(() => !canSetup.value || isInstalling.value)
 const setupActionDisabledMessage = computed(() => {
 	if (!canSetup.value) return permissionDeniedMessage.value
@@ -236,14 +234,14 @@ function showResetServerModal() {
 async function invalidateServerState() {
 	debug('invalidateServerState: starting')
 	await Promise.all([
-		queryClient.invalidateQueries({ queryKey: ['servers', 'detail', serverId] }),
-		queryClient.invalidateQueries({ queryKey: ['content', 'list', 'v1', serverId] }),
+		queryClient.invalidateQueries({ queryKey: serverDetailQueryKey }),
+		queryClient.invalidateQueries({ queryKey: addonsQueryKey }),
 	])
 	debug('invalidateServerState: complete')
 }
 
 const addonsQuery = useQuery({
-	queryKey: computed(() => ['content', 'list', 'v1', serverId]),
+	queryKey: addonsQueryKey,
 	queryFn: () =>
 		client.archon.content_v1.getAddons(serverId, worldId.value!, { from_modpack: false }),
 	enabled: computed(() => worldId.value !== null),
@@ -395,6 +393,67 @@ function toApiLoader(loader: string): Archon.Content.v1.Modloader {
 	return loader as Archon.Content.v1.Modloader
 }
 
+type InstallationCacheSnapshot = {
+	server: Archon.Servers.v0.Server | undefined
+	addons: Archon.Content.v1.Addons | undefined
+}
+
+async function applyOptimisticInstallation(
+	platform: string,
+	gameVersion: string,
+	loaderVersion: string | null,
+): Promise<InstallationCacheSnapshot> {
+	await Promise.all([
+		queryClient.cancelQueries({ queryKey: serverDetailQueryKey, exact: true }),
+		queryClient.cancelQueries({ queryKey: addonsQueryKey, exact: true }),
+	])
+
+	const snapshot = {
+		server: queryClient.getQueryData<Archon.Servers.v0.Server>(serverDetailQueryKey),
+		addons: queryClient.getQueryData<Archon.Content.v1.Addons>(addonsQueryKey),
+	}
+	const resolvedLoaderVersion = platform === 'vanilla' ? null : loaderVersion
+	beginInstallation({
+		type: 'platform',
+		platform: platform as Extract<
+			Archon.Websocket.v0.InstallProgressKey,
+			{ type: 'platform' }
+		>['platform'],
+		platform_version: resolvedLoaderVersion ?? '',
+		game_version: gameVersion,
+	})
+
+	queryClient.setQueryData<Archon.Servers.v0.Server>(serverDetailQueryKey, (current) =>
+		current
+			? {
+					...current,
+					status: 'installing',
+					loader: formatLoaderLabel(platform) as Archon.Servers.v0.Loader,
+					loader_version: resolvedLoaderVersion,
+					mc_version: gameVersion,
+				}
+			: current,
+	)
+	queryClient.setQueryData<Archon.Content.v1.Addons>(addonsQueryKey, (current) =>
+		current
+			? {
+					...current,
+					modloader: toApiLoader(platform),
+					modloader_version: resolvedLoaderVersion,
+					game_version: gameVersion,
+				}
+			: current,
+	)
+
+	return snapshot
+}
+
+function rollbackOptimisticInstallation(snapshot: InstallationCacheSnapshot) {
+	cancelOptimisticInstallation()
+	queryClient.setQueryData(serverDetailQueryKey, snapshot.server)
+	queryClient.setQueryData(addonsQueryKey, snapshot.addons)
+}
+
 async function uploadLocalModpackWithSoftOverride() {
 	const picked = await filePicker.pickModpackFile()
 	if (!picked?.file) return false
@@ -406,8 +465,11 @@ async function uploadLocalModpackWithSoftOverride() {
 		{ softOverride: true },
 	)
 	await uploadProgressModal.value!.track(handle)
+	beginInstallation({
+		type: 'local_modpack',
+		filename: picked.file.name,
+	})
 	emit('reinstall')
-	await invalidateServerState()
 	return true
 }
 
@@ -567,6 +629,7 @@ provideInstallationSettings({
 		const gameVersionChanged = gameVersion !== (server.value?.mc_version ?? '')
 		const loaderVersionChanged =
 			loaderVersionId !== null && loaderVersionId !== (server.value?.loader_version ?? '')
+		if (!platformChanged && !gameVersionChanged && !loaderVersionChanged) return
 
 		let resolvedLoaderVersion = loaderVersionId
 		if (!resolvedLoaderVersion && platform !== 'vanilla') {
@@ -574,6 +637,7 @@ provideInstallationSettings({
 			resolvedLoaderVersion = versions[0]?.id ?? null
 		}
 
+		const snapshot = await applyOptimisticInstallation(platform, gameVersion, resolvedLoaderVersion)
 		debug('save: emitting reinstall before API call')
 		emit(
 			'reinstall',
@@ -596,10 +660,10 @@ provideInstallationSettings({
 				debug('save: game version only, calling applyGameVersionUpdate', gameVersion)
 				await client.archon.content_v1.applyGameVersionUpdate(serverId, worldId.value!, gameVersion)
 			}
-			debug('save: succeeded, invalidating')
-			invalidateServerState()
+			debug('save: succeeded')
 		} catch (err) {
 			debug('save: failed, emitting reinstall-failed', err)
+			rollbackOptimisticInstallation(snapshot)
 			emit('reinstall-failed')
 			addNotification({
 				type: 'error',
@@ -612,10 +676,10 @@ provideInstallationSettings({
 	async repair() {
 		if (setupActionDisabled.value) return
 		debug('repair: called')
+		beginInstallation({ type: 'unknown' })
 		try {
 			await client.archon.content_v1.repair(serverId, worldId.value!)
-			debug('repair: API succeeded, invalidating')
-			await invalidateServerState()
+			debug('repair: API succeeded')
 			addNotification({
 				type: 'success',
 				title: formatMessage(messages.repairStartedTitle),
@@ -623,6 +687,7 @@ provideInstallationSettings({
 			})
 		} catch (err) {
 			debug('repair: failed', err)
+			cancelOptimisticInstallation()
 			addNotification({
 				type: 'error',
 				text: err instanceof Error ? err.message : formatMessage(messages.failedToRepair),
@@ -654,6 +719,11 @@ provideInstallationSettings({
 			modpack.value.spec.version_id,
 		)
 		debug('reinstallModpack: emitting reinstall before API call')
+		beginInstallation({
+			type: 'modrinth_modpack',
+			project_id: modpack.value.spec.project_id,
+			version_id: modpack.value.spec.version_id,
+		})
 		emit('reinstall')
 		try {
 			await client.archon.content_v1.installContent(serverId, worldId.value!, {
@@ -665,10 +735,10 @@ provideInstallationSettings({
 				},
 				soft_override: true,
 			})
-			debug('reinstallModpack: installContent succeeded, invalidating')
-			invalidateServerState()
+			debug('reinstallModpack: installContent succeeded')
 		} catch (err) {
 			debug('reinstallModpack: failed, emitting reinstall-failed', err)
+			cancelOptimisticInstallation()
 			emit('reinstall-failed')
 			addNotification({
 				type: 'error',
@@ -718,14 +788,7 @@ provideInstallationSettings({
 			})
 		} finally {
 			debug('unlinkModpack: invalidating queries')
-			await Promise.all([
-				queryClient.invalidateQueries({
-					queryKey: ['servers', 'detail', serverId],
-				}),
-				queryClient.invalidateQueries({
-					queryKey: ['content', 'list', 'v1', serverId],
-				}),
-			])
+			await invalidateServerState()
 			debug('unlinkModpack: invalidation complete')
 		}
 	},
@@ -769,6 +832,11 @@ provideInstallationSettings({
 		if (!modpackProjectId.value) return
 		debug('onModpackVersionConfirm: called, version:', version.id)
 		debug('onModpackVersionConfirm: emitting reinstall before API call')
+		beginInstallation({
+			type: 'modrinth_modpack',
+			project_id: modpackProjectId.value,
+			version_id: version.id,
+		})
 		emit('reinstall')
 		try {
 			await client.archon.content_v1.installContent(serverId, worldId.value!, {
@@ -780,10 +848,10 @@ provideInstallationSettings({
 				},
 				soft_override: true,
 			})
-			debug('onModpackVersionConfirm: installContent succeeded, invalidating')
-			invalidateServerState()
+			debug('onModpackVersionConfirm: installContent succeeded')
 		} catch (err) {
 			debug('onModpackVersionConfirm: failed, emitting reinstall-failed', err)
+			cancelOptimisticInstallation()
 			emit('reinstall-failed')
 			addNotification({
 				type: 'error',
@@ -865,6 +933,7 @@ provideInstallationSettings({
 			const versions = getLoaderVersionsForGameVersion(platform, gameVersion)
 			resolvedLoaderVersion = versions[0]?.id ?? null
 		}
+		const snapshot = await applyOptimisticInstallation(platform, gameVersion, resolvedLoaderVersion)
 		emit('reinstall', { loader: platform, lVersion: resolvedLoaderVersion, mVersion: gameVersion })
 		try {
 			const request: Archon.Content.v1.InstallWorldContent = {
@@ -876,10 +945,10 @@ provideInstallationSettings({
 			}
 			debug('saveWithoutAutoFix: calling installContent', request)
 			await client.archon.content_v1.installContent(serverId, worldId.value!, request)
-			debug('saveWithoutAutoFix: succeeded, invalidating')
-			invalidateServerState()
+			debug('saveWithoutAutoFix: succeeded')
 		} catch (err) {
 			debug('saveWithoutAutoFix: failed', err)
+			rollbackOptimisticInstallation(snapshot)
 			emit('reinstall-failed')
 			addNotification({
 				type: 'error',
@@ -930,10 +999,28 @@ watch(
 )
 
 function onReinstall(event?: unknown) {
-	if (resetServerDisabled.value) return
+	if (resetServerDisabled.value && !installation.value) return
 	installationSettingsLayout.value?.cancelEditing()
 	modrinthServersConsole.clear()
 	queryClient.removeQueries({ queryKey: ['servers', 'ws-state', serverId] })
+	if (!installation.value) {
+		const args = event as
+			| { loader?: string; lVersion?: string; mVersion?: string | null }
+			| undefined
+		if (args?.loader && args.mVersion) {
+			beginInstallation({
+				type: 'platform',
+				platform: args.loader as Extract<
+					Archon.Websocket.v0.InstallProgressKey,
+					{ type: 'platform' }
+				>['platform'],
+				platform_version: args.lVersion ?? '',
+				game_version: args.mVersion,
+			})
+		} else {
+			beginInstallation({ type: 'unknown' })
+		}
+	}
 	emit('reinstall', event)
 	serverSettings.closeModal?.()
 }
diff --git a/packages/ui/src/layouts/wrapped/hosting/manage/content.vue b/packages/ui/src/layouts/wrapped/hosting/manage/content.vue
index bcfd4afc38..fd4c3c1564 100644
--- a/packages/ui/src/layouts/wrapped/hosting/manage/content.vue
+++ b/packages/ui/src/layouts/wrapped/hosting/manage/content.vue
@@ -116,7 +116,7 @@ const messages = defineMessages({
 })
 
 const client = injectModrinthClient()
-const { server, worldId, busyReasons, isSyncingContent, uploadState, cancelUpload } =
+const { server, worldId, busyReasons, installProgressItems, uploadState, cancelUpload } =
 	injectModrinthServerContext()
 const contentUploadSession = useUploadSessionUpload({
 	client,
@@ -175,19 +175,11 @@ const setupActionDisabled = computed(() => !canSetup.value || busyReasons.value.
 const setupActionBusyMessage = computed(() => {
 	if (!canSetup.value) return permissionDeniedMessage.value
 
-	const bannerCoversInstalling =
-		server.value?.status === 'installing' ||
-		isSyncingContent.value ||
-		busyReasons.value.some(
-			(r) =>
-				r.reason.id === 'servers.busy.installing' || r.reason.id === 'servers.busy.syncing-content',
-		)
+	const bannerCoversInstalling = busyReasons.value.some(
+		(r) => r.reason.id === 'servers.busy.installing',
+	)
 	const filteredReasons = busyReasons.value.filter((r) => {
-		if (
-			bannerCoversInstalling &&
-			(r.reason.id === 'servers.busy.installing' || r.reason.id === 'servers.busy.syncing-content')
-		)
-			return false
+		if (bannerCoversInstalling && r.reason.id === 'servers.busy.installing') return false
 		if (
 			r.reason.id === 'servers.busy.backup-creating' ||
 			r.reason.id === 'servers.busy.backup-restoring'
@@ -198,6 +190,25 @@ const setupActionBusyMessage = computed(() => {
 	return filteredReasons.length > 0 ? formatMessage(filteredReasons[0].reason) : null
 })
 
+const currentWorldInstallProgressItems = computed(() =>
+	installProgressItems.value.filter((item) => item.world_id === worldId.value),
+)
+const hasActiveFileInstallProgress = computed(() =>
+	currentWorldInstallProgressItems.value.some(
+		(item) =>
+			item.key.type === 'file' &&
+			item.error == null &&
+			item.progress != null &&
+			item.progress < 100,
+	),
+)
+
+const contentActionDisabled = computed(() => !canSetup.value || busyReasons.value.length > 0)
+const contentActionBusyMessage = computed(() => {
+	if (!canSetup.value) return permissionDeniedMessage.value
+	return busyReasons.value.length > 0 ? formatMessage(busyReasons.value[0].reason) : null
+})
+
 const modpackProjectId = computed(() => {
 	const spec = contentQuery.data.value?.modpack?.spec
 	return spec?.platform === 'modrinth' ? spec.project_id : null
@@ -304,6 +315,8 @@ const modpack = computed<ContentModpackData | null>(() => {
 			header: 'categories',
 		})) as ContentModpackCardCategory[],
 		hasUpdate: !!mp.has_update || !!newestModpackUpdateVersion.value,
+		disabled: setupActionDisabled.value,
+		disabledText: setupActionBusyMessage.value ?? formatMessage(commonMessages.installingLabel),
 	}
 })
 
@@ -328,7 +341,98 @@ const addonLookup = computed(() => {
 	return map
 })
 
+function normalizeInstallFilename(filename: string) {
+	return filename.endsWith('.disabled') ? filename.slice(0, -'.disabled'.length) : filename
+}
+
+const fileInstallProgressByFilename = computed(() => {
+	const progressByFilename = new Map<string, Archon.Websocket.v0.InstallProgressItem>()
+	for (const item of currentWorldInstallProgressItems.value) {
+		if (item.key.type === 'file') {
+			progressByFilename.set(normalizeInstallFilename(item.key.filename), item)
+		}
+	}
+	return progressByFilename
+})
+const completedInstallFilenames = ref<Set<string>>(new Set())
+
+watch(
+	fileInstallProgressByFilename,
+	(progressByFilename, previousProgressByFilename) => {
+		const completed = new Set(completedInstallFilenames.value)
+		let shouldRefreshContent = false
+		if (previousProgressByFilename) {
+			for (const filename of previousProgressByFilename.keys()) {
+				if (!progressByFilename.has(filename)) {
+					if (!completed.has(filename)) shouldRefreshContent = true
+					completed.add(filename)
+				}
+			}
+		}
+		for (const [filename, item] of progressByFilename) {
+			if (item.error != null || item.progress === 100) {
+				if (item.error == null && !completed.has(filename)) shouldRefreshContent = true
+				completed.add(filename)
+			} else {
+				completed.delete(filename)
+			}
+		}
+		completedInstallFilenames.value = completed
+		if (shouldRefreshContent && !contentQuery.isFetching.value) {
+			void contentQuery.refetch()
+		}
+	},
+	{ immediate: true },
+)
+
+function getContentItemInstallFilename(item: ContentItem) {
+	const filename = item.version?.file_name || item.file_name
+	return normalizeInstallFilename(filename)
+}
+
+function getContentItemInstallProgress(item: ContentItem) {
+	return fileInstallProgressByFilename.value.get(getContentItemInstallFilename(item))
+}
+
+function fileInstallProgressToContentItem(
+	item: Archon.Websocket.v0.InstallProgressItem,
+	key: Archon.Websocket.v0.InstallProgressFileKey,
+): ContentItem {
+	const filename = key.filename
+	const extensionIndex = filename.lastIndexOf('.')
+	const title = extensionIndex > 0 ? filename.slice(0, extensionIndex) : filename
+	const projectType =
+		key.parent_directory === 'plugins'
+			? 'plugin'
+			: key.parent_directory === 'datapacks'
+				? 'datapack'
+				: 'mod'
+	return {
+		id: `installing:${item.id}`,
+		file_name: filename,
+		project: {
+			id: item.id,
+			slug: filename,
+			title,
+		},
+		version: {
+			id: item.id,
+			version_number: formatMessage(commonMessages.installingLabel),
+			file_name: filename,
+		},
+		enabled: true,
+		project_type: projectType,
+		has_update: false,
+		update_version_id: null,
+		installing: true,
+		installProgress: item.progress,
+	}
+}
+
 const pendingServerContentInstalls = ref<PendingServerContentInstall[]>([])
+const isContentInstallActive = computed(
+	() => hasActiveFileInstallProgress.value || pendingServerContentInstalls.value.length > 0,
+)
 const lastStableContentKeys = ref<Set<string>>(new Set())
 const contentInstallBaselineKeys = ref<Set<string> | null>(null)
 const contentInstallAddedKeys = ref<Set<string>>(new Set())
@@ -343,7 +447,19 @@ const { pause: pausePendingInstallPoll, resume: resumePendingInstallPoll } = use
 )
 
 function syncPendingServerContentInstalls() {
-	pendingServerContentInstalls.value = readPendingServerContentInstalls(serverId, worldId.value)
+	const pendingInstalls = readPendingServerContentInstalls(serverId, worldId.value)
+	pendingServerContentInstalls.value = pendingInstalls
+
+	const completed = new Set(completedInstallFilenames.value)
+	let changed = false
+	for (const item of pendingInstalls) {
+		if (item.fileName) {
+			changed = completed.delete(normalizeInstallFilename(item.fileName)) || changed
+		}
+	}
+	if (changed) {
+		completedInstallFilenames.value = completed
+	}
 }
 
 function handlePendingServerContentInstallsChanged(event: Event) {
@@ -442,7 +558,7 @@ function syncContentInstallKeys(
 	addons: Archon.Content.v1.Addon[] = contentQuery.data.value?.addons ?? [],
 ) {
 	const currentKeys = getAddonInstallKeys(addons)
-	if (isSyncingContent.value) {
+	if (isContentInstallActive.value) {
 		if (!contentInstallBaselineKeys.value) {
 			contentInstallBaselineKeys.value =
 				readPendingServerContentInstallBaseline(serverId, worldId.value) ??
@@ -571,12 +687,19 @@ const rawContentItems = computed<ContentItem[]>(() => {
 			(addon.version?.id ? pendingInstallByVersionId.get(addon.version.id) : null) ??
 			pendingInstallByFileName.get(addon.filename) ??
 			null
-		const installing = !!pendingItem || installingContentKeys.has(getAddonInstallKey(addon))
+		const installProgress = getContentItemInstallProgress(contentItem)
+		const installFilename = getContentItemInstallFilename(contentItem)
+		const installing =
+			installProgress != null
+				? installProgress.error == null && installProgress.progress !== 100
+				: !completedInstallFilenames.value.has(installFilename) &&
+					(!!pendingItem || installingContentKeys.has(getAddonInstallKey(addon)))
 
 		if (!installing || !pendingItem) {
 			return {
 				...contentItem,
 				installing,
+				installProgress: installing ? installProgress?.progress : undefined,
 			}
 		}
 
@@ -602,10 +725,38 @@ const rawContentItems = computed<ContentItem[]>(() => {
 			},
 			owner: pendingContentItem.owner ?? contentItem.owner,
 			installing,
+			installProgress: installProgress?.progress,
 		}
 	})
 
-	return [...addonItems, ...pendingItems]
+	const pendingDisplayItems = pendingItems.map((item) => {
+		const installProgress = getContentItemInstallProgress(item)
+		const installing =
+			installProgress != null
+				? installProgress.error == null && installProgress.progress !== 100
+				: !completedInstallFilenames.value.has(getContentItemInstallFilename(item))
+		return {
+			...item,
+			installing,
+			installProgress: installing ? installProgress?.progress : undefined,
+		}
+	})
+	const displayedInstallFilenames = new Set(
+		[...addonItems, ...pendingDisplayItems].map(getContentItemInstallFilename),
+	)
+	const progressOnlyItems = currentWorldInstallProgressItems.value.flatMap((item) => {
+		if (
+			item.key.type !== 'file' ||
+			item.error != null ||
+			item.progress === 100 ||
+			displayedInstallFilenames.has(normalizeInstallFilename(item.key.filename))
+		) {
+			return []
+		}
+		return [fileInstallProgressToContentItem(item, item.key)]
+	})
+
+	return [...addonItems, ...pendingDisplayItems, ...progressOnlyItems]
 })
 
 const displayedContentItems = ref<ContentItem[]>([])
@@ -628,13 +779,31 @@ function getContentItemId(item: ContentItem) {
 
 function mergeFragileContentItems(items: ContentItem[]) {
 	const nextItems = new Map(items.map((item) => [getContentItemDisplayKey(item), item]))
-	const mergedItems = displayedContentItems.value.map((item) => {
-		const key = getContentItemDisplayKey(item)
-		const nextItem = nextItems.get(key)
-		if (!nextItem) return item
+	const mergedItems = displayedContentItems.value.flatMap((item) => {
+		let nextKey = getContentItemDisplayKey(item)
+		let nextItem = nextItems.get(nextKey)
+		if (!nextItem && item.installing) {
+			const installFilename = getContentItemInstallFilename(item)
+			const matchingEntry = Array.from(nextItems.entries()).find(
+				([, candidate]) => getContentItemInstallFilename(candidate) === installFilename,
+			)
+			if (matchingEntry) {
+				nextKey = matchingEntry[0]
+				nextItem = matchingEntry[1]
+			}
+		}
+		if (!nextItem) {
+			if (
+				item.installing &&
+				completedInstallFilenames.value.has(getContentItemInstallFilename(item))
+			) {
+				return []
+			}
+			return [item]
+		}
 
-		nextItems.delete(key)
-		return nextItem
+		nextItems.delete(nextKey)
+		return [nextItem]
 	})
 
 	return [...mergedItems, ...nextItems.values()]
@@ -643,15 +812,13 @@ function mergeFragileContentItems(items: ContentItem[]) {
 watch(
 	[
 		rawContentItems,
-		isSyncingContent,
+		isContentInstallActive,
 		() => contentQuery.isFetching.value,
 		() => contentQuery.isLoading.value,
 	],
 	([items, syncing, isFetching, isLoading]) => {
 		if (syncing) {
-			if (items.length > 0) {
-				displayedContentItems.value = mergeFragileContentItems(items)
-			}
+			displayedContentItems.value = mergeFragileContentItems(items)
 			return
 		}
 
@@ -663,7 +830,7 @@ watch(
 )
 
 watch(
-	[isSyncingContent, () => contentQuery.data.value?.addons],
+	[isContentInstallActive, () => contentQuery.data.value?.addons],
 	([, addons]) => {
 		syncContentInstallKeys(addons ?? [])
 	},
@@ -693,6 +860,7 @@ watch(
 watch(
 	worldId,
 	() => {
+		completedInstallFilenames.value = new Set()
 		syncPendingServerContentInstalls()
 		syncContentInstallKeys()
 		void flushStoredServerInstalls()
@@ -784,14 +952,14 @@ const toggleMutation = useMutation({
 })
 
 async function handleToggleEnabled(item: ContentItem) {
-	if (setupActionDisabled.value) return
+	if (contentActionDisabled.value) return
 	const addon = addonLookup.value.get(item.file_name)
 	if (!addon) return
 	await toggleMutation.mutateAsync({ addon })
 }
 
 async function handleDeleteItem(item: ContentItem) {
-	if (setupActionDisabled.value) return
+	if (contentActionDisabled.value) return
 	const addon = addonLookup.value.get(item.file_name)
 	if (!addon) return
 	await deleteMutation.mutateAsync({ addon })
@@ -799,6 +967,7 @@ async function handleDeleteItem(item: ContentItem) {
 
 function itemsToAddonRequests(items: ContentItem[]): Archon.Content.v1.RemoveAddonRequest[] {
 	return items.flatMap((item) => {
+		if (item.installing) return []
 		const addon = addonLookup.value.get(item.file_name)
 		if (!addon) return []
 		return [{ filename: addon.filename, kind: addon.kind }]
@@ -806,7 +975,7 @@ function itemsToAddonRequests(items: ContentItem[]): Archon.Content.v1.RemoveAdd
 }
 
 async function handleBulkDelete(items: ContentItem[]) {
-	if (setupActionDisabled.value) return
+	if (contentActionDisabled.value) return
 	const requests = itemsToAddonRequests(items)
 	if (requests.length === 0) return
 	try {
@@ -822,7 +991,7 @@ async function handleBulkDelete(items: ContentItem[]) {
 }
 
 async function handleBulkEnable(items: ContentItem[]) {
-	if (setupActionDisabled.value) return
+	if (contentActionDisabled.value) return
 	const requests = itemsToAddonRequests(items)
 	if (requests.length === 0) return
 	try {
@@ -838,7 +1007,7 @@ async function handleBulkEnable(items: ContentItem[]) {
 }
 
 async function handleBulkDisable(items: ContentItem[]) {
-	if (setupActionDisabled.value) return
+	if (contentActionDisabled.value) return
 	const requests = itemsToAddonRequests(items)
 	if (requests.length === 0) return
 	try {
@@ -907,7 +1076,7 @@ const currentLoader = computed(
 )
 
 function handleBrowseContent() {
-	if (setupActionDisabled.value) return
+	if (contentActionDisabled.value) return
 	const contentType = type.value
 	if (browseServerContent && ['mod', 'plugin', 'datapack'].includes(contentType)) {
 		browseServerContent({
@@ -925,7 +1094,7 @@ function handleBrowseContent() {
 }
 
 function handleUploadFiles() {
-	if (setupActionDisabled.value) return
+	if (contentActionDisabled.value) return
 	const input = document.createElement('input')
 	input.type = 'file'
 	input.multiple = true
@@ -1065,7 +1234,7 @@ async function handleViewModpackContent() {
 }
 
 async function handleModpackContentToggle(item: ContentItem) {
-	if (setupActionDisabled.value) return
+	if (contentActionDisabled.value) return
 	const addon = addonLookup.value.get(item.file_name)
 	if (!addon) return
 	modpackContentModal.value?.updateItem(item.file_name, { disabled: true })
@@ -1096,7 +1265,7 @@ async function handleModpackContentToggle(item: ContentItem) {
 }
 
 async function handleModpackBulkToggle(items: ContentItem[], enable: boolean) {
-	if (setupActionDisabled.value) return
+	if (contentActionDisabled.value) return
 	const requests = itemsToAddonRequests(items)
 	if (requests.length === 0) return
 
@@ -1163,9 +1332,9 @@ async function handleModpackUnlinkConfirm() {
 }
 
 async function handleBulkUpdate(items: ContentItem[]) {
-	if (setupActionDisabled.value) return
+	if (contentActionDisabled.value) return
 	const addons = items
-		.filter((item) => item.has_update)
+		.filter((item) => item.has_update && !item.installing)
 		.map((item) => ({
 			filename: item.file_name,
 			version_id: item.update_version_id ?? undefined,
@@ -1209,6 +1378,7 @@ async function handleSwitchVersion(item: ContentItem) {
 }
 
 async function handleModpackUpdate() {
+	if (setupActionDisabled.value) return
 	const mp = contentQuery.data.value?.modpack
 	if (!mp || mp.spec.platform !== 'modrinth') return
 
@@ -1263,8 +1433,8 @@ function resetUpdateState() {
 }
 
 function handleModalUpdate(selectedVersion: Labrinth.Versions.v2.Version, event?: MouseEvent) {
-	if (setupActionDisabled.value) return
 	if (updatingModpack.value) {
+		if (setupActionDisabled.value) return
 		pendingModpackUpdateVersion.value = selectedVersion
 
 		const mpSpec = contentQuery.data.value?.modpack?.spec
@@ -1285,6 +1455,7 @@ function handleModalUpdate(selectedVersion: Labrinth.Versions.v2.Version, event?
 		return
 	}
 
+	if (contentActionDisabled.value) return
 	performUpdate(selectedVersion)
 }
 
@@ -1301,7 +1472,11 @@ function setAddonInstalling(filename: string, installing: boolean) {
 }
 
 async function performUpdate(selectedVersion: Labrinth.Versions.v2.Version) {
-	if (setupActionDisabled.value) return
+	if (
+		(updatingModpack.value && setupActionDisabled.value) ||
+		(!updatingModpack.value && contentActionDisabled.value)
+	)
+		return
 	const item = updatingProject.value
 	if (item) {
 		setAddonInstalling(item.file_name, true)
@@ -1380,8 +1555,8 @@ provideContentManager({
 	error: computed(() => contentQuery.error.value ?? null),
 	modpack,
 	isPackLocked: ref(false),
-	isBusy: setupActionDisabled,
-	busyMessage: setupActionBusyMessage,
+	isBusy: contentActionDisabled,
+	busyMessage: contentActionBusyMessage,
 	disableAddContent: computed(() => !canSetup.value),
 	disableAddContentTooltip: permissionDeniedMessage.value,
 	contentTypeLabel: type,
@@ -1453,8 +1628,8 @@ provideContentManager({
 					:modpack-name="modpack?.project.title"
 					:modpack-icon-url="modpack?.project.icon_url"
 					enable-toggle
-					:action-disabled="setupActionDisabled"
-					:action-disabled-tooltip="setupActionBusyMessage ?? undefined"
+					:action-disabled="contentActionDisabled"
+					:action-disabled-tooltip="contentActionBusyMessage ?? undefined"
 					@update:enabled="handleModpackContentToggle"
 					@bulk:enable="handleModpackBulkToggle($event, true)"
 					@bulk:disable="handleModpackBulkToggle($event, false)"
@@ -1485,8 +1660,10 @@ provideContentManager({
 					"
 					:loading="loadingVersions"
 					:loading-changelog="loadingChangelog"
-					:action-disabled="setupActionDisabled"
-					:action-disabled-tooltip="setupActionBusyMessage ?? undefined"
+					:action-disabled="updatingModpack ? setupActionDisabled : contentActionDisabled"
+					:action-disabled-tooltip="
+						(updatingModpack ? setupActionBusyMessage : contentActionBusyMessage) ?? undefined
+					"
 					@update="handleModalUpdate"
 					@cancel="resetUpdateState"
 					@version-select="handleVersionSelect"
diff --git a/packages/ui/src/layouts/wrapped/hosting/manage/root.vue b/packages/ui/src/layouts/wrapped/hosting/manage/root.vue
index c781570242..7a90fa36bf 100644
--- a/packages/ui/src/layouts/wrapped/hosting/manage/root.vue
+++ b/packages/ui/src/layouts/wrapped/hosting/manage/root.vue
@@ -173,7 +173,7 @@
 
 					<template #actions>
 						<PageHeaderActions>
-							<PanelServerActionButton :disabled="!!installError" />
+							<PanelServerActionButton />
 							<Tooltip
 								theme="dismissable-prompt"
 								:triggers="[]"
@@ -214,11 +214,7 @@
 								</template>
 							</Tooltip>
 							<ButtonStyled circular type="transparent" size="large">
-								<TeleportOverflowMenu
-									:options="serverMenuOptions"
-									:disabled="!!installError"
-									aria-label="More server options"
-								>
+								<TeleportOverflowMenu :options="serverMenuOptions" aria-label="More server options">
 									<MoreVerticalIcon aria-hidden="true" />
 								</TeleportOverflowMenu>
 							</ButtonStyled>
@@ -245,96 +241,6 @@
 					:class="containedLayout ? 'flex min-h-0 flex-col overflow-hidden' : 'h-full'"
 					:style="{ '--si': 2 }"
 				>
-					<div
-						v-if="installError"
-						class="mx-auto mb-4 flex justify-between gap-2 rounded-2xl border-2 border-solid border-red bg-bg-red p-4 font-semibold text-contrast"
-					>
-						<div class="flex flex-row gap-4">
-							<IssuesIcon class="hidden h-8 w-8 shrink-0 text-red sm:block" />
-							<div class="flex flex-col gap-2 leading-[150%]">
-								<div class="flex items-center gap-3">
-									<IssuesIcon class="flex h-8 w-8 shrink-0 text-red sm:hidden" />
-									<div class="flex gap-2 text-2xl font-bold">{{ errorTitle }}</div>
-								</div>
-
-								<div
-									v-if="errorTitle.toLocaleLowerCase() === 'installation error'"
-									class="font-normal"
-								>
-									<div
-										v-if="
-											errorMessage.toLocaleLowerCase() === 'the specified version may be incorrect'
-										"
-									>
-										An invalid loader or Minecraft version was specified and could not be installed.
-										<ul class="m-0 mt-4 p-0 pl-4">
-											<li>
-												If this version of Minecraft was released recently, please check if Modrinth
-												Hosting supports it.
-											</li>
-											<li>
-												If you've installed a modpack, it may have been packaged incorrectly or may
-												not be compatible with the loader.
-											</li>
-											<li>
-												Your server may need to be reinstalled with a valid mod loader and version.
-												You can change the loader by clicking the "Change Loader" button.
-											</li>
-											<li>
-												If you're stuck, please contact Modrinth Support with the information below:
-											</li>
-										</ul>
-										<ButtonStyled>
-											<button class="mt-2" @click="copyServerDebugInfo">
-												<CopyIcon v-if="!copied" />
-												<CheckIcon v-else />
-												Copy Debug Info
-											</button>
-										</ButtonStyled>
-									</div>
-									<div v-if="errorMessage.toLocaleLowerCase() === 'internal error'">
-										An internal error occurred while installing your server. Don't fret — try
-										reinstalling your server, and if the problem persists, please contact Modrinth
-										support with your server's debug information.
-									</div>
-									<div
-										v-if="errorMessage.toLocaleLowerCase() === 'this version is not yet supported'"
-									>
-										An error occurred while installing your server because Modrinth Hosting does not
-										support the version of Minecraft or the loader you specified. Try reinstalling
-										your server with a different version or loader, and if the problem persists,
-										please contact Modrinth Support with your server's debug information.
-									</div>
-
-									<div
-										v-if="errorTitle === 'Installation error'"
-										class="mt-2 flex flex-col gap-4 sm:flex-row"
-									>
-										<ButtonStyled v-if="errorLog">
-											<button @click="openInstallLog"><FileIcon />Open Installation Log</button>
-										</ButtonStyled>
-										<ButtonStyled>
-											<button @click="copyServerDebugInfo">
-												<CopyIcon v-if="!copied" />
-												<CheckIcon v-else />
-												Copy Debug Info
-											</button>
-										</ButtonStyled>
-										<ButtonStyled color="red" type="standard">
-											<button
-												class="whitespace-pre"
-												@click="openServerSettingsModal('installation')"
-											>
-												<RightArrowIcon />
-												Change Loader
-											</button>
-										</ButtonStyled>
-									</div>
-								</div>
-							</div>
-						</div>
-					</div>
-
 					<div v-if="serverData.is_medal" class="mb-4">
 						<MedalServerCountdown
 							:server-id="serverId"
@@ -364,9 +270,7 @@
 
 					<ServerPanelAdmonitions
 						class="mb-4 shrink-0"
-						:sync-progress="syncProgress"
-						:content-error="contentError"
-						@content-retry="handleContentRetry"
+						@installation-retry="handleInstallationRetry"
 					/>
 					<slot :on-reinstall="onReinstall" :on-reinstall-failed="onReinstallFailed" />
 				</div>
@@ -402,10 +306,8 @@ import type { Archon, Labrinth } from '@modrinth/api-client'
 import { getNodeWebSocketUrl, ModrinthApiError, NuxtModrinthClient } from '@modrinth/api-client'
 import {
 	BoxesIcon,
-	CheckIcon,
 	CopyIcon,
 	DatabaseBackupIcon,
-	FileIcon,
 	FolderOpenIcon,
 	IssuesIcon,
 	LayoutTemplateIcon,
@@ -413,7 +315,6 @@ import {
 	LoaderCircleIcon,
 	LockIcon,
 	MoreVerticalIcon,
-	RightArrowIcon,
 	ServerIcon as ServerAssetIcon,
 	SettingsIcon,
 	TimerIcon,
@@ -423,7 +324,7 @@ import {
 	XIcon,
 } from '@modrinth/assets'
 import { useQuery, useQueryClient } from '@tanstack/vue-query'
-import { useStorage, useTimeoutFn } from '@vueuse/core'
+import { useStorage } from '@vueuse/core'
 import DOMPurify from 'dompurify'
 import { Tooltip } from 'floating-vue'
 import { computed, nextTick, onBeforeUnmount, onMounted, onUnmounted, ref, watch } from 'vue'
@@ -457,6 +358,10 @@ import {
 } from '#ui/composables'
 import { defineMessages, useVIntl } from '#ui/composables/i18n'
 import { useServerBackupsQueue } from '#ui/composables/server-backups-queue'
+import type {
+	ServerInstallationKey,
+	ServerInstallationState,
+} from '#ui/composables/server-installation-tracker'
 import { useServerManageCoreRuntime } from '#ui/composables/server-manage-core-runtime'
 import { useServerPanelSync } from '#ui/composables/server-panel-sync'
 import type { LogLine } from '#ui/layouts/shared/console'
@@ -469,11 +374,6 @@ import {
 import type { ServerStats } from '#ui/providers/server-context'
 import { commonMessages } from '#ui/utils/common-messages'
 import { formatLoaderLabel } from '#ui/utils/loaders'
-import {
-	pendingServerContentInstallsEvent,
-	readPendingServerContentInstalls,
-	writePendingServerContentInstalls,
-} from '#ui/utils/server-content-installing'
 
 import ServerOnboardingPanelPage from './[id]/onboarding.vue'
 
@@ -574,12 +474,6 @@ const debug = useDebugLogger('ServerManage')
 const isReconnecting = ref(false)
 const isLoading = ref(true)
 const isMounted = ref(true)
-const copied = ref(false)
-const installError = ref<Error | null>(null)
-const errorTitle = ref('Error')
-const errorMessage = ref('An unexpected error occurred.')
-const errorLog = ref('')
-const errorLogFile = ref('')
 const isOnboarding = computed(() => serverData.value?.flows?.intro)
 
 const SETTINGS_HINT_KEY = 'server-panel-settings-hint-dismissed'
@@ -649,101 +543,25 @@ const { image: serverImage } = useServerImage(
 )
 const { data: serverProject } = useServerProject(computed(() => serverData.value?.upstream ?? null))
 
-const syncProgress = ref<Archon.Websocket.v0.SyncContentProgress | null>(null)
-const contentError = ref<Archon.Websocket.v0.SyncContentError | null>(null)
-const syncProgressActive = ref(false)
-const hasPendingServerContentInstalls = ref(false)
-const hasSeenPendingServerContentSync = ref(false)
-const isAwaitingPostInstallRefresh = ref(false)
-const { start: startSyncHide, stop: cancelSyncHide } = useTimeoutFn(
-	() => (syncProgressActive.value = false),
-	1000,
-	{ immediate: false },
-)
-
-watch(syncProgress, (progress) => {
-	if (progress != null) {
-		cancelSyncHide()
-		syncProgressActive.value = true
-		if (progress.phase !== 'Analyzing' && hasPendingServerContentInstalls.value) {
-			hasSeenPendingServerContentSync.value = true
-		}
-	} else if (syncProgressActive.value) {
-		startSyncHide()
-		if (hasSeenPendingServerContentSync.value) {
-			writePendingServerContentInstalls(props.serverId, worldId.value, [])
-			hasSeenPendingServerContentSync.value = false
-		}
-	}
-})
-
-watch(contentError, (error) => {
-	if (!error || !hasPendingServerContentInstalls.value) return
-	writePendingServerContentInstalls(props.serverId, worldId.value, [])
-	hasSeenPendingServerContentSync.value = false
-})
-
-const isSyncingContent = computed(
-	() =>
-		syncProgressActive.value ||
-		isAwaitingPostInstallRefresh.value ||
-		hasPendingServerContentInstalls.value,
-)
-
-function syncPendingServerContentInstalls() {
-	hasPendingServerContentInstalls.value =
-		readPendingServerContentInstalls(props.serverId, worldId.value).length > 0
-}
-
-function handlePendingServerContentInstallsChanged(event: Event) {
-	const detail = (event as CustomEvent<{ serverId?: string | null; worldId?: string | null }>)
-		.detail
-	if (detail?.serverId !== props.serverId || detail?.worldId !== worldId.value) return
-	syncPendingServerContentInstalls()
-}
-
-watch(worldId, syncPendingServerContentInstalls, { immediate: true })
-
-let hasSeenInstallProgress = false
-
 const onStateEvent = (data: Archon.Websocket.v0.WSStateEvent) => {
 	debug('[root.vue] handleState received:', {
 		power_variant: data.power_variant,
-		progress: data.progress,
 		serverStatus: serverData.value?.status,
 	})
 	hasReceivedWsData.value = true
-	syncProgress.value = data.progress
-	contentError.value = data.content_error
-
-	if (serverData.value) {
-		if (data.progress != null && serverData.value.status !== 'installing') {
-			debug('[root.vue] handleState: progress != null, setting status to installing')
-			hasSeenInstallProgress = true
-			updateServerData({ status: 'installing' })
-		} else if (data.progress != null) {
-			hasSeenInstallProgress = true
-		} else if (
-			data.progress == null &&
-			data.content_error == null &&
-			serverData.value.status === 'installing' &&
-			hasSeenInstallProgress
-		) {
-			debug('[root.vue] handleState: progress null + was installing, applying optimistic update')
-			hasSeenInstallProgress = false
-			applyOptimisticCompletion()
-			invalidateAfterInstall()
-		}
-	}
 }
 
 const {
+	beginInstallation,
 	cancelUpload,
+	cancelOptimisticInstallation,
 	cleanupCoreRuntime,
 	connectSocket,
 	cpuData,
+	dismissInstallation,
 	fsOps,
 	fsQueuedOps,
+	installation,
 	isConnected,
 	ramData,
 	serverPowerState,
@@ -755,7 +573,6 @@ const {
 	worldId,
 	server: serverData,
 	serverFull,
-	isSyncingContent,
 	extraBusyReasons: backupsBusy,
 	setDisconnectedOnAuthIncorrect: false,
 	syncUptimeFromState: true,
@@ -1086,7 +903,7 @@ function loadTallyScript() {
 	document.head.appendChild(script)
 }
 
-async function handleContentRetry() {
+async function handleInstallationRetry() {
 	if (!worldId.value) return
 	if (!canSetup.value) {
 		addNotification({
@@ -1095,9 +912,16 @@ async function handleContentRetry() {
 		})
 		return
 	}
+	const failedInstallationId =
+		installation.value?.status === 'failed' ? installation.value.id : null
+	if (failedInstallationId) dismissInstallation(failedInstallationId)
+	beginInstallation({ type: 'unknown' })
+	updateServerData({ status: 'installing' })
 	try {
 		await client.archon.content_v1.repair(props.serverId, worldId.value)
 	} catch (err) {
+		cancelOptimisticInstallation()
+		updateServerData({ status: 'available' })
 		addNotification({
 			type: 'error',
 			text: err instanceof Error ? err.message : 'Failed to retry installation',
@@ -1134,54 +958,56 @@ const handleNewMod = () => {
 	queryClient.invalidateQueries({ queryKey: ['content', 'list'] })
 }
 
-const handleInstallationResult = async (data: Archon.Websocket.v0.WSInstallationResultEvent) => {
-	debug('[root.vue] handleInstallationResult received:', data)
-	switch (data.result) {
-		case 'ok': {
-			debug('[root.vue] handleInstallationResult: ok received')
-			if (!serverData.value) break
+type InstallationServerSnapshot = Pick<
+	Archon.Servers.v0.Server,
+	'loader' | 'loader_version' | 'mc_version'
+>
 
-			applyOptimisticCompletion()
-			installError.value = null
-			invalidateAfterInstall()
+let installationServerSnapshot: InstallationServerSnapshot | null = null
 
-			break
-		}
-		case 'err': {
-			console.log('failed to install')
-			console.log(data)
-			errorTitle.value = 'Installation error'
-			errorMessage.value = data.reason ?? 'Unknown error'
-			installError.value = new Error(data.reason ?? 'Unknown error')
-
-			try {
-				let files = await client.kyros.files_v0.listDirectory('/', 1, 100)
-				if (files && files.total > 1) {
-					for (let i = 2; i <= files.total; i++) {
-						const nextFiles = await client.kyros.files_v0.listDirectory('/', i, 100)
-						if (nextFiles?.items?.length === 0) break
-						if (nextFiles) files = nextFiles
-					}
-				}
-				const fileName = files?.items?.find((file) =>
-					file.name.startsWith('modrinth-installation'),
-				)?.name
-				errorLogFile.value = fileName ?? ''
-				if (fileName) {
-					const content = await client.kyros.files_v0.downloadFile(fileName)
-					errorLog.value = await content.text()
-				}
-			} catch (err) {
-				console.error('Failed to fetch installation log:', err)
-			}
-			break
+function applyInstallationTarget(current: ServerInstallationState) {
+	if (!serverData.value) return
+
+	if (!installationServerSnapshot) {
+		installationServerSnapshot = {
+			loader: serverData.value.loader,
+			loader_version: serverData.value.loader_version,
+			mc_version: serverData.value.mc_version,
 		}
 	}
+
+	const patch: Partial<Archon.Servers.v0.Server> = { status: 'installing' }
+	if (current.key.type === 'platform') {
+		patch.loader = formatLoaderLabel(current.key.platform) as Archon.Servers.v0.Loader
+		patch.loader_version = current.key.platform === 'vanilla' ? null : current.key.platform_version
+		patch.mc_version = current.key.game_version
+	}
+
+	if (
+		serverData.value.status === patch.status &&
+		(current.key.type !== 'platform' ||
+			(serverData.value.loader === patch.loader &&
+				serverData.value.loader_version === patch.loader_version &&
+				serverData.value.mc_version === patch.mc_version))
+	) {
+		return
+	}
+
+	void queryClient.cancelQueries({
+		queryKey: ['servers', 'detail', props.serverId],
+		exact: true,
+	})
+	updateServerData(patch)
 }
 
-const newLoader = ref<string | null>(null)
-const newLoaderVersion = ref<string | null>(null)
-const newMCVersion = ref<string | null>(null)
+function restoreInstallationServerSnapshot() {
+	const snapshot = installationServerSnapshot
+	updateServerData({
+		...(snapshot ?? {}),
+		status: 'available',
+	})
+	installationServerSnapshot = null
+}
 
 const onReinstall = async (
 	potentialArgs: { loader?: string; lVersion?: string; mVersion?: string } | undefined,
@@ -1195,70 +1021,63 @@ const onReinstall = async (
 
 	if (!serverData.value) return
 
-	debug('[root.vue] onReinstall: setting serverData.status to installing')
-	hasSeenInstallProgress = false
-	updateServerData({ status: 'installing' })
-
-	if (potentialArgs?.loader) {
-		newLoader.value = potentialArgs.loader
-	}
-	if (potentialArgs?.lVersion) {
-		newLoaderVersion.value = potentialArgs.lVersion
-	}
-	if (potentialArgs?.mVersion) {
-		newMCVersion.value = potentialArgs.mVersion
+	if (
+		!installation.value ||
+		installation.value.status === 'complete' ||
+		installation.value.status === 'failed'
+	) {
+		if (potentialArgs?.loader && potentialArgs.mVersion) {
+			beginInstallation({
+				type: 'platform',
+				platform: potentialArgs.loader as Extract<
+					Archon.Websocket.v0.InstallProgressKey,
+					{ type: 'platform' }
+				>['platform'],
+				platform_version: potentialArgs.lVersion ?? '',
+				game_version: potentialArgs.mVersion,
+			})
+		} else {
+			beginInstallation({ type: 'unknown' })
+		}
 	}
 
-	installError.value = null
-	errorTitle.value = 'Error'
-	errorMessage.value = 'An unexpected error occurred.'
-
 	modrinthServersConsole.clear()
-
-	debug('[root.vue] onReinstall: triggering immediate invalidation')
-	queryClient.invalidateQueries({ queryKey: ['servers', 'detail', props.serverId] })
-	queryClient.invalidateQueries({ queryKey: ['content', 'list'] })
 }
 
 const onReinstallFailed = () => {
 	debug('[root.vue] onReinstallFailed: reverting status to available')
-	updateServerData({ status: 'available' })
-	newLoader.value = null
-	newLoaderVersion.value = null
-	newMCVersion.value = null
+	cancelOptimisticInstallation()
+	restoreInstallationServerSnapshot()
 }
 
-function applyOptimisticCompletion() {
+function applyInstallationCompletion(key: ServerInstallationKey) {
+	const platformKey = key?.type === 'platform' ? key : null
 	const patch: Partial<Archon.Servers.v0.Server> = { status: 'available' }
-	if (newLoader.value) patch.loader = formatLoaderLabel(newLoader.value) as Archon.Servers.v0.Loader
-	if (newLoaderVersion.value) patch.loader_version = newLoaderVersion.value
-	if (newMCVersion.value) patch.mc_version = newMCVersion.value
+	if (platformKey) {
+		patch.loader = formatLoaderLabel(platformKey.platform) as Archon.Servers.v0.Loader
+		patch.loader_version = platformKey.platform === 'vanilla' ? null : platformKey.platform_version
+		patch.mc_version = platformKey.game_version
+	}
 
-	debug('[root.vue] applyOptimisticCompletion: patch:', patch)
+	debug('[root.vue] applyInstallationCompletion: patch:', patch)
 	updateServerData(patch)
 
 	const addonsQueries = queryClient.getQueriesData<Archon.Content.v1.Addons>({
 		queryKey: ['content', 'list', 'v1', props.serverId],
 	})
 	for (const [key, data] of addonsQueries) {
-		if (!data) continue
-		const addonsPatch: Record<string, string> = {}
-		if (newLoader.value) addonsPatch.modloader = newLoader.value
-		if (newLoaderVersion.value) addonsPatch.modloader_version = newLoaderVersion.value
-		if (newMCVersion.value) addonsPatch.game_version = newMCVersion.value
-		if (Object.keys(addonsPatch).length > 0) {
-			queryClient.setQueryData(key, { ...data, ...addonsPatch })
-		}
+		if (!data || !platformKey) continue
+		queryClient.setQueryData(key, {
+			...data,
+			modloader: platformKey.platform === 'neoforge' ? 'neo_forge' : platformKey.platform,
+			modloader_version: platformKey.platform === 'vanilla' ? null : platformKey.platform_version,
+			game_version: platformKey.game_version,
+		})
 	}
-
-	newLoader.value = null
-	newLoaderVersion.value = null
-	newMCVersion.value = null
 }
 
 async function invalidateAfterInstall() {
 	debug('[root.vue] invalidateAfterInstall: scheduling 2s delayed invalidation')
-	isAwaitingPostInstallRefresh.value = true
 	setTimeout(async () => {
 		try {
 			await Promise.all([
@@ -1270,12 +1089,47 @@ async function invalidateAfterInstall() {
 			])
 		} catch (err: unknown) {
 			console.error('Error refreshing data after installation:', err)
-		} finally {
-			isAwaitingPostInstallRefresh.value = false
 		}
 	}, 2000)
 }
 
+let handledFailedInstallationId: string | null = null
+watch(
+	installation,
+	(current, previous) => {
+		if (!current) {
+			if (
+				isMounted.value &&
+				previous?.source === 'optimistic' &&
+				previous.status === 'pending' &&
+				serverData.value?.status === 'installing'
+			) {
+				restoreInstallationServerSnapshot()
+			}
+			return
+		}
+		if (current.status === 'pending' || current.status === 'installing') {
+			handledFailedInstallationId = null
+			applyInstallationTarget(current)
+			return
+		}
+
+		if (current.status === 'failed') {
+			if (handledFailedInstallationId === current.id) return
+			handledFailedInstallationId = current.id
+			onReinstallFailed()
+			void invalidateAfterInstall()
+			return
+		}
+
+		applyInstallationCompletion(current.key)
+		installationServerSnapshot = null
+		dismissInstallation(current.id)
+		void invalidateAfterInstall()
+	},
+	{ flush: 'sync' },
+)
+
 const nodeAccessible = ref(true)
 
 const nodeUnavailableDetails = computed(() => [
@@ -1371,21 +1225,6 @@ const nodeUnavailableAction = computed(() => ({
 	disabled: false,
 }))
 
-const copyServerDebugInfo = () => {
-	const debugInfo = `Server ID: ${serverData.value?.server_id}\nError: ${errorMessage.value}\nKind: ${serverData.value?.upstream?.kind}\nProject ID: ${serverData.value?.upstream?.project_id}\nVersion ID: ${serverData.value?.upstream?.version_id}\nLog: ${errorLog.value}`
-	navigator.clipboard.writeText(debugInfo)
-	copied.value = true
-	setTimeout(() => {
-		copied.value = false
-	}, 5000)
-}
-
-const openInstallLog = () => {
-	const url = `/hosting/manage/${props.serverId}/files?editing=${encodeURIComponent(errorLogFile.value)}`
-	window.history.pushState({}, '', url)
-	window.dispatchEvent(new PopStateEvent('popstate'))
-}
-
 function openServerSettingsModal(tabId?: ServerSettingsTabId) {
 	if (!props.serverId) return
 	serverSettingsModal.value?.show({ serverId: props.serverId, tabId })
@@ -1500,7 +1339,6 @@ function initializeServer() {
 	} else {
 		void connectSocket(props.serverId, {
 			extraSubscriptions: (targetServerId) => [
-				client.archon.sockets.on(targetServerId, 'installation-result', handleInstallationResult),
 				client.archon.sockets.on(targetServerId, 'backup-progress', handleBackupProgress),
 				client.archon.sockets.on(targetServerId, 'filesystem-ops', handleFilesystemOps),
 				client.archon.sockets.on(targetServerId, 'new-mod', handleNewMod),
@@ -1540,11 +1378,6 @@ const cleanup = () => {
 
 onMounted(() => {
 	isMounted.value = true
-	syncPendingServerContentInstalls()
-	window.addEventListener(
-		pendingServerContentInstallsEvent,
-		handlePendingServerContentInstallsChanged,
-	)
 
 	if (serverData.value) {
 		initializeServer()
@@ -1586,10 +1419,6 @@ onMounted(() => {
 })
 
 onUnmounted(() => {
-	window.removeEventListener(
-		pendingServerContentInstallsEvent,
-		handlePendingServerContentInstallsChanged,
-	)
 	cleanup()
 })
 </script>
diff --git a/packages/ui/src/locales/cs-CZ/index.json b/packages/ui/src/locales/cs-CZ/index.json
index e209b51e31..5871882eef 100644
--- a/packages/ui/src/locales/cs-CZ/index.json
+++ b/packages/ui/src/locales/cs-CZ/index.json
@@ -3686,36 +3686,9 @@
   "servers.grant-access-modal.target.searching": {
     "defaultMessage": "Vyhledávání..."
   },
-  "servers.installing-banner.error.unsupported-loader-version": {
-    "defaultMessage": "Modrinth Hosting tuto verzi Minecraftu nebo loaderu zatím nepodporuje."
-  },
-  "servers.installing-banner.phase.installing-addons": {
-    "defaultMessage": "Instalování addonů..."
-  },
-  "servers.installing-banner.phase.installing-modpack": {
-    "defaultMessage": "Instalování modpacku..."
-  },
-  "servers.installing-banner.phase.installing-platform": {
-    "defaultMessage": "Instalování platformy..."
-  },
   "servers.installing-banner.preparing.header": {
     "defaultMessage": "Připravujeme váš server"
   },
-  "servers.installing-banner.ticker.adding-java": {
-    "defaultMessage": "Přidávání Javy..."
-  },
-  "servers.installing-banner.ticker.configuring-server": {
-    "defaultMessage": "Konfigurování serveru..."
-  },
-  "servers.installing-banner.ticker.downloading-mods": {
-    "defaultMessage": "Stahování módů..."
-  },
-  "servers.installing-banner.ticker.organizing-files": {
-    "defaultMessage": "Organizování souborů..."
-  },
-  "servers.installing-banner.ticker.setting-up-environment": {
-    "defaultMessage": "Nastavování prostředí..."
-  },
   "servers.list-empty.already-have-server-label": {
     "defaultMessage": "Už máte server?"
   },
@@ -4560,4 +4533,3 @@
     "defaultMessage": "Typ"
   }
 }
-
diff --git a/packages/ui/src/locales/de-CH/index.json b/packages/ui/src/locales/de-CH/index.json
index 0d5aef6335..1e36be39b6 100644
--- a/packages/ui/src/locales/de-CH/index.json
+++ b/packages/ui/src/locales/de-CH/index.json
@@ -4448,9 +4448,6 @@
   "servers.busy.installing": {
     "defaultMessage": "Server wird installiert"
   },
-  "servers.busy.syncing-content": {
-    "defaultMessage": "Inhalt wird synchronisiert"
-  },
   "servers.grant-access-modal.add-as-friend": {
     "defaultMessage": "Auch eine Freundschaftsanfrage senden"
   },
@@ -4505,51 +4502,12 @@
   "servers.installing-banner.error.header": {
     "defaultMessage": "Installation fehlgeschlagen"
   },
-  "servers.installing-banner.error.internal-platform": {
-    "defaultMessage": "Ein interner Fehler ist beim Installieren der Platform aufgetreten. Bitte versuch es später erneut."
-  },
-  "servers.installing-banner.error.invalid-loader-version": {
-    "defaultMessage": "Der angegebene Loader oder Minecraft Version konnte nicht installiert werden. Sie ist womöglich ungültig oder nicht unterstützt."
-  },
-  "servers.installing-banner.error.modpack-install-failed": {
-    "defaultMessage": "Das Modpack konnte nicht installiert werden. Es könnte womöglich beschädigt oder inkompatibel sein."
-  },
-  "servers.installing-banner.error.no-primary-file": {
-    "defaultMessage": "Diese Modpack-Version enthält keine hrunterladbare Datei. Es wurde womöglich inkorrekt erstellt."
-  },
   "servers.installing-banner.error.unknown": {
     "defaultMessage": "Ein unerwarteter Fehler ist während der Installation aufgetreten."
   },
-  "servers.installing-banner.error.unsupported-loader-version": {
-    "defaultMessage": "Diese Version von Minecraft oder des Loaders werden aktuell noch nicht von Modrinth Hosting unterstützt."
-  },
-  "servers.installing-banner.phase.installing-addons": {
-    "defaultMessage": "Installiere Addons..."
-  },
-  "servers.installing-banner.phase.installing-modpack": {
-    "defaultMessage": "Installiere Modpack..."
-  },
-  "servers.installing-banner.phase.installing-platform": {
-    "defaultMessage": "Installiere Platform..."
-  },
   "servers.installing-banner.preparing.header": {
     "defaultMessage": "Wir bereiten deinen Server vor"
   },
-  "servers.installing-banner.ticker.adding-java": {
-    "defaultMessage": "Füge Java hinzu..."
-  },
-  "servers.installing-banner.ticker.configuring-server": {
-    "defaultMessage": "Konfiguriere Server..."
-  },
-  "servers.installing-banner.ticker.downloading-mods": {
-    "defaultMessage": "Lade Mods herunter..."
-  },
-  "servers.installing-banner.ticker.organizing-files": {
-    "defaultMessage": "Organisiere Dateien..."
-  },
-  "servers.installing-banner.ticker.setting-up-environment": {
-    "defaultMessage": "Richte die Umgebung ein..."
-  },
   "servers.list-empty.already-have-server-label": {
     "defaultMessage": "Du hast bereits einen Server?"
   },
@@ -5940,4 +5898,3 @@
     "defaultMessage": "Typ"
   }
 }
-
diff --git a/packages/ui/src/locales/de-DE/index.json b/packages/ui/src/locales/de-DE/index.json
index e7ffbf7e4f..72bda22860 100644
--- a/packages/ui/src/locales/de-DE/index.json
+++ b/packages/ui/src/locales/de-DE/index.json
@@ -4448,9 +4448,6 @@
   "servers.busy.installing": {
     "defaultMessage": "Server wird installiert"
   },
-  "servers.busy.syncing-content": {
-    "defaultMessage": "Inhalt wird synchronisiert"
-  },
   "servers.grant-access-modal.add-as-friend": {
     "defaultMessage": "Auch eine Freundschaftsanfrage senden"
   },
@@ -4505,51 +4502,12 @@
   "servers.installing-banner.error.header": {
     "defaultMessage": "Installation fehlgeschlagen"
   },
-  "servers.installing-banner.error.internal-platform": {
-    "defaultMessage": "Während der Installation der Plattform ist ein interner Fehler aufgetreten. Bitte versuche es erneut."
-  },
-  "servers.installing-banner.error.invalid-loader-version": {
-    "defaultMessage": "Die angegebene Loader- oder Minecraft-Version konnte nicht installiert werden. Sie ist möglicherweise ungültig oder wird nicht unterstützt."
-  },
-  "servers.installing-banner.error.modpack-install-failed": {
-    "defaultMessage": "Das Modpack konnte nicht installiert werden. Es ist eventuell beschädigt oder nicht kompatibel."
-  },
-  "servers.installing-banner.error.no-primary-file": {
-    "defaultMessage": "Diese Modpack-Version enthält keine herunterladbare Datei. Es wurde eventuell falsch gepackt."
-  },
   "servers.installing-banner.error.unknown": {
     "defaultMessage": "Während der Installation ist ein unerwarteter Fehler aufgetreten."
   },
-  "servers.installing-banner.error.unsupported-loader-version": {
-    "defaultMessage": "Diese Version von Minecraft oder des Loaders wird aktuell noch nicht von Modrinth Hosting unterstützt."
-  },
-  "servers.installing-banner.phase.installing-addons": {
-    "defaultMessage": "Addons werden installiert..."
-  },
-  "servers.installing-banner.phase.installing-modpack": {
-    "defaultMessage": "Modpack wird installiert..."
-  },
-  "servers.installing-banner.phase.installing-platform": {
-    "defaultMessage": "Plattform wird installiert..."
-  },
   "servers.installing-banner.preparing.header": {
     "defaultMessage": "Wir bereiten deinen Server vor"
   },
-  "servers.installing-banner.ticker.adding-java": {
-    "defaultMessage": "Java wird hinzugefügt..."
-  },
-  "servers.installing-banner.ticker.configuring-server": {
-    "defaultMessage": "Server wird konfiguriert..."
-  },
-  "servers.installing-banner.ticker.downloading-mods": {
-    "defaultMessage": "Mods werden heruntergeladen..."
-  },
-  "servers.installing-banner.ticker.organizing-files": {
-    "defaultMessage": "Dateien werden organisiert..."
-  },
-  "servers.installing-banner.ticker.setting-up-environment": {
-    "defaultMessage": "Umgebung wird eingerichtet..."
-  },
   "servers.list-empty.already-have-server-label": {
     "defaultMessage": "Du hast bereits einen Server?"
   },
@@ -5940,4 +5898,3 @@
     "defaultMessage": "Typ"
   }
 }
-
diff --git a/packages/ui/src/locales/en-US/index.json b/packages/ui/src/locales/en-US/index.json
index e4534c0512..b414575e09 100644
--- a/packages/ui/src/locales/en-US/index.json
+++ b/packages/ui/src/locales/en-US/index.json
@@ -4448,9 +4448,6 @@
   "servers.busy.installing": {
     "defaultMessage": "Server is installing"
   },
-  "servers.busy.syncing-content": {
-    "defaultMessage": "Content sync in progress"
-  },
   "servers.grant-access-modal.add-as-friend": {
     "defaultMessage": "Also send a friend request"
   },
@@ -4502,53 +4499,41 @@
   "servers.grant-access-modal.target.searching": {
     "defaultMessage": "Searching..."
   },
-  "servers.installing-banner.error.header": {
-    "defaultMessage": "Installation failed"
+  "servers.installing-banner.description.applying": {
+    "defaultMessage": "Applying your installation changes..."
   },
-  "servers.installing-banner.error.internal-platform": {
-    "defaultMessage": "An internal error occurred while installing the platform. Please try again."
+  "servers.installing-banner.description.controls": {
+    "defaultMessage": "Server controls will unlock when installation finishes."
   },
-  "servers.installing-banner.error.invalid-loader-version": {
-    "defaultMessage": "The specified loader or Minecraft version could not be installed. It may be invalid or unsupported."
+  "servers.installing-banner.description.duration": {
+    "defaultMessage": "This installation may take several minutes..."
   },
-  "servers.installing-banner.error.modpack-install-failed": {
-    "defaultMessage": "The modpack could not be installed. It may be corrupted or incompatible."
+  "servers.installing-banner.description.preparing": {
+    "defaultMessage": "Preparing your server..."
   },
-  "servers.installing-banner.error.no-primary-file": {
-    "defaultMessage": "This modpack version does not include a downloadable file. It may have been packaged incorrectly."
+  "servers.installing-banner.description.still-working": {
+    "defaultMessage": "Still working—your installation is in progress..."
+  },
+  "servers.installing-banner.error.header": {
+    "defaultMessage": "Installation failed"
   },
   "servers.installing-banner.error.unknown": {
     "defaultMessage": "An unexpected error occurred during installation."
   },
-  "servers.installing-banner.error.unsupported-loader-version": {
-    "defaultMessage": "This version of Minecraft or loader is not yet supported by Modrinth Hosting."
+  "servers.installing-banner.installing-local-modpack": {
+    "defaultMessage": "Installing {filename}"
   },
-  "servers.installing-banner.phase.installing-addons": {
-    "defaultMessage": "Installing addons..."
+  "servers.installing-banner.installing-minecraft": {
+    "defaultMessage": "Installing Minecraft {version}"
   },
-  "servers.installing-banner.phase.installing-modpack": {
-    "defaultMessage": "Installing modpack..."
+  "servers.installing-banner.installing-modpack": {
+    "defaultMessage": "Installing modpack"
   },
-  "servers.installing-banner.phase.installing-platform": {
-    "defaultMessage": "Installing platform..."
+  "servers.installing-banner.installing-platform": {
+    "defaultMessage": "Installing {loader} for Minecraft {version}"
   },
   "servers.installing-banner.preparing.header": {
-    "defaultMessage": "We're preparing your server"
-  },
-  "servers.installing-banner.ticker.adding-java": {
-    "defaultMessage": "Adding Java..."
-  },
-  "servers.installing-banner.ticker.configuring-server": {
-    "defaultMessage": "Configuring server..."
-  },
-  "servers.installing-banner.ticker.downloading-mods": {
-    "defaultMessage": "Downloading mods..."
-  },
-  "servers.installing-banner.ticker.organizing-files": {
-    "defaultMessage": "Organizing files..."
-  },
-  "servers.installing-banner.ticker.setting-up-environment": {
-    "defaultMessage": "Setting up environment..."
+    "defaultMessage": "Preparing your server"
   },
   "servers.list-empty.already-have-server-label": {
     "defaultMessage": "Already have a server?"
diff --git a/packages/ui/src/locales/es-419/index.json b/packages/ui/src/locales/es-419/index.json
index 132946d97f..764a5a6017 100644
--- a/packages/ui/src/locales/es-419/index.json
+++ b/packages/ui/src/locales/es-419/index.json
@@ -4370,9 +4370,6 @@
   "servers.busy.installing": {
     "defaultMessage": "El servidor se está instalando"
   },
-  "servers.busy.syncing-content": {
-    "defaultMessage": "Sincronización de contenido en curso"
-  },
   "servers.grant-access-modal.add-as-friend": {
     "defaultMessage": "Mandar solicitud de amistad también"
   },
@@ -4427,51 +4424,12 @@
   "servers.installing-banner.error.header": {
     "defaultMessage": "Fallo en la instalación"
   },
-  "servers.installing-banner.error.internal-platform": {
-    "defaultMessage": "Se ha producido un error interno durante la instalación de la plataforma. Por favor, inténtalo de nuevo."
-  },
-  "servers.installing-banner.error.invalid-loader-version": {
-    "defaultMessage": "No se pudo instalar el loader o la versión de Minecraft especificados. Es posible que no sean válidos o que no sean compatibles."
-  },
-  "servers.installing-banner.error.modpack-install-failed": {
-    "defaultMessage": "No se pudo instalar el modpack. Es posible que esté dañado o que no sea compatible."
-  },
-  "servers.installing-banner.error.no-primary-file": {
-    "defaultMessage": "Esta versión del modpack no incluye ningún archivo descargable. Es posible que se haya empaquetado incorrectamente."
-  },
   "servers.installing-banner.error.unknown": {
     "defaultMessage": "Se produjo un error inesperado durante la instalación."
   },
-  "servers.installing-banner.error.unsupported-loader-version": {
-    "defaultMessage": "Esta versión de Minecraft o del loader aún no es compatible con Modrinth Hosting."
-  },
-  "servers.installing-banner.phase.installing-addons": {
-    "defaultMessage": "Instalando addons..."
-  },
-  "servers.installing-banner.phase.installing-modpack": {
-    "defaultMessage": "Instalando modpack..."
-  },
-  "servers.installing-banner.phase.installing-platform": {
-    "defaultMessage": "Instalando plataforma..."
-  },
   "servers.installing-banner.preparing.header": {
     "defaultMessage": "Estamos preparando tu servidor"
   },
-  "servers.installing-banner.ticker.adding-java": {
-    "defaultMessage": "Añadiendo java..."
-  },
-  "servers.installing-banner.ticker.configuring-server": {
-    "defaultMessage": "Configurando servidor..."
-  },
-  "servers.installing-banner.ticker.downloading-mods": {
-    "defaultMessage": "Descargando mods..."
-  },
-  "servers.installing-banner.ticker.organizing-files": {
-    "defaultMessage": "Organizando archivos..."
-  },
-  "servers.installing-banner.ticker.setting-up-environment": {
-    "defaultMessage": "Preparando entorno..."
-  },
   "servers.list-empty.already-have-server-label": {
     "defaultMessage": "¿Ya tienes un servidor?"
   },
@@ -5787,4 +5745,3 @@
     "defaultMessage": "Tipo"
   }
 }
-
diff --git a/packages/ui/src/locales/es-ES/index.json b/packages/ui/src/locales/es-ES/index.json
index 0470f583c1..430eae31e5 100644
--- a/packages/ui/src/locales/es-ES/index.json
+++ b/packages/ui/src/locales/es-ES/index.json
@@ -4274,9 +4274,6 @@
   "servers.busy.installing": {
     "defaultMessage": "El servidor se está instalando"
   },
-  "servers.busy.syncing-content": {
-    "defaultMessage": "Sincronización de contenido en progreso"
-  },
   "servers.grant-access-modal.add-as-friend": {
     "defaultMessage": "Enviar también una solicitud de amistad"
   },
@@ -4331,51 +4328,12 @@
   "servers.installing-banner.error.header": {
     "defaultMessage": "Instalación fallida"
   },
-  "servers.installing-banner.error.internal-platform": {
-    "defaultMessage": "Se ha producido un error interno durante la instalación de la plataforma. Por favor, inténtalo de nuevo."
-  },
-  "servers.installing-banner.error.invalid-loader-version": {
-    "defaultMessage": "No se pudo instalar el loader o la versión de Minecraft especificados. Es posible que no sean válidos o que no sean compatibles."
-  },
-  "servers.installing-banner.error.modpack-install-failed": {
-    "defaultMessage": "No se pudo instalar el modpack. Es posible que esté dañado o que no sea compatible."
-  },
-  "servers.installing-banner.error.no-primary-file": {
-    "defaultMessage": "Esta versión del modpack no incluye ningún archivo descargable. Es posible que se haya empaquetado incorrectamente."
-  },
   "servers.installing-banner.error.unknown": {
     "defaultMessage": "Se produjo un error inesperado durante la instalación."
   },
-  "servers.installing-banner.error.unsupported-loader-version": {
-    "defaultMessage": "Esta versión de Minecraft o del loader aún no es compatible con Modrinth Hosting."
-  },
-  "servers.installing-banner.phase.installing-addons": {
-    "defaultMessage": "Instalando addons..."
-  },
-  "servers.installing-banner.phase.installing-modpack": {
-    "defaultMessage": "Instalando modpack..."
-  },
-  "servers.installing-banner.phase.installing-platform": {
-    "defaultMessage": "Instalando plataforma..."
-  },
   "servers.installing-banner.preparing.header": {
     "defaultMessage": "Estamos preparando tu servidor"
   },
-  "servers.installing-banner.ticker.adding-java": {
-    "defaultMessage": "Añadiendo Java..."
-  },
-  "servers.installing-banner.ticker.configuring-server": {
-    "defaultMessage": "Configurando servidor..."
-  },
-  "servers.installing-banner.ticker.downloading-mods": {
-    "defaultMessage": "Descargando mods..."
-  },
-  "servers.installing-banner.ticker.organizing-files": {
-    "defaultMessage": "Organizando archivos..."
-  },
-  "servers.installing-banner.ticker.setting-up-environment": {
-    "defaultMessage": "Preparando entorno..."
-  },
   "servers.list-empty.already-have-server-label": {
     "defaultMessage": "¿Ya tienes un servidor?"
   },
diff --git a/packages/ui/src/locales/fr-FR/index.json b/packages/ui/src/locales/fr-FR/index.json
index 0bad1abb39..27a9db5500 100644
--- a/packages/ui/src/locales/fr-FR/index.json
+++ b/packages/ui/src/locales/fr-FR/index.json
@@ -4442,9 +4442,6 @@
   "servers.busy.installing": {
     "defaultMessage": "Le serveur est en cours d'installation"
   },
-  "servers.busy.syncing-content": {
-    "defaultMessage": "Synchronisation du contenu en cours"
-  },
   "servers.grant-access-modal.add-as-friend": {
     "defaultMessage": "Envoyer également une demande d'ami"
   },
@@ -4499,51 +4496,12 @@
   "servers.installing-banner.error.header": {
     "defaultMessage": "Impossible d'installer"
   },
-  "servers.installing-banner.error.internal-platform": {
-    "defaultMessage": "Une erreur interne est survenue lors de l'installation de la platforme. Veuillez réessayer plus tard."
-  },
-  "servers.installing-banner.error.invalid-loader-version": {
-    "defaultMessage": "Le loader ou la version Minecraft spécifiée n'a pas pu être installée. Elle est peut-être invalide ou non prise en charge."
-  },
-  "servers.installing-banner.error.modpack-install-failed": {
-    "defaultMessage": "Le modpack n'a pas pu être installé. Il est peut-être corrompu ou incompatible."
-  },
-  "servers.installing-banner.error.no-primary-file": {
-    "defaultMessage": "Cette version de modpack ne contient pas de fichier téléchargeable. Il a peut-être été empaqueté incorrectement."
-  },
   "servers.installing-banner.error.unknown": {
     "defaultMessage": "Une erreur inattendue est survenue lors de l'installation."
   },
-  "servers.installing-banner.error.unsupported-loader-version": {
-    "defaultMessage": "Cette version de Minecraft ou ce loader n'est peut-être pas encore bien pris en charge par Modrinth Hosting."
-  },
-  "servers.installing-banner.phase.installing-addons": {
-    "defaultMessage": "Installation des add-ons..."
-  },
-  "servers.installing-banner.phase.installing-modpack": {
-    "defaultMessage": "Installation du modpack..."
-  },
-  "servers.installing-banner.phase.installing-platform": {
-    "defaultMessage": "Installation de la platforme..."
-  },
   "servers.installing-banner.preparing.header": {
     "defaultMessage": "Nous préparons votre serveur"
   },
-  "servers.installing-banner.ticker.adding-java": {
-    "defaultMessage": "Ajout de Java..."
-  },
-  "servers.installing-banner.ticker.configuring-server": {
-    "defaultMessage": "Configuration du serveur..."
-  },
-  "servers.installing-banner.ticker.downloading-mods": {
-    "defaultMessage": "Téléchargement de mods..."
-  },
-  "servers.installing-banner.ticker.organizing-files": {
-    "defaultMessage": "Organisation des fichiers..."
-  },
-  "servers.installing-banner.ticker.setting-up-environment": {
-    "defaultMessage": "Mise en place de l'environnement..."
-  },
   "servers.list-empty.already-have-server-label": {
     "defaultMessage": "Vous avez déjà un serveur ?"
   },
diff --git a/packages/ui/src/locales/hu-HU/index.json b/packages/ui/src/locales/hu-HU/index.json
index 7255e0b37c..ffd805a2fb 100644
--- a/packages/ui/src/locales/hu-HU/index.json
+++ b/packages/ui/src/locales/hu-HU/index.json
@@ -3737,39 +3737,9 @@
   "servers.installing-banner.error.header": {
     "defaultMessage": "A telepítés nem sikerült"
   },
-  "servers.installing-banner.error.internal-platform": {
-    "defaultMessage": "Egy internal hiba történt a telepítés közben. Kérlek probáld újra."
-  },
-  "servers.installing-banner.error.no-primary-file": {
-    "defaultMessage": "Ez a modcsomag-verzió nem tartalmaz letölthető fájlt. Lehet, hogy hibásan lett összeállítva."
-  },
-  "servers.installing-banner.phase.installing-addons": {
-    "defaultMessage": "Kiegészítők telepítése..."
-  },
-  "servers.installing-banner.phase.installing-modpack": {
-    "defaultMessage": "A modcsomag telepítése..."
-  },
-  "servers.installing-banner.phase.installing-platform": {
-    "defaultMessage": "A platform telepítése..."
-  },
   "servers.installing-banner.preparing.header": {
     "defaultMessage": "Előkészítjük a szervered"
   },
-  "servers.installing-banner.ticker.adding-java": {
-    "defaultMessage": "Java hozzáadása..."
-  },
-  "servers.installing-banner.ticker.configuring-server": {
-    "defaultMessage": "A szerver beállítása..."
-  },
-  "servers.installing-banner.ticker.downloading-mods": {
-    "defaultMessage": "Modok letöltése..."
-  },
-  "servers.installing-banner.ticker.organizing-files": {
-    "defaultMessage": "Fájlok rendezése..."
-  },
-  "servers.installing-banner.ticker.setting-up-environment": {
-    "defaultMessage": "Környezet beállítása..."
-  },
   "servers.list-empty.already-have-server-label": {
     "defaultMessage": "Már van egy szervered?"
   },
diff --git a/packages/ui/src/locales/it-IT/index.json b/packages/ui/src/locales/it-IT/index.json
index 7b7875e848..a0c012a4e5 100644
--- a/packages/ui/src/locales/it-IT/index.json
+++ b/packages/ui/src/locales/it-IT/index.json
@@ -4406,9 +4406,6 @@
   "servers.busy.installing": {
     "defaultMessage": "Installazione del server in corso"
   },
-  "servers.busy.syncing-content": {
-    "defaultMessage": "Sincronizzazione dei contenuti in corso"
-  },
   "servers.grant-access-modal.add-as-friend": {
     "defaultMessage": "Invia anche una richiesta di amicizia"
   },
@@ -4463,51 +4460,12 @@
   "servers.installing-banner.error.header": {
     "defaultMessage": "Installazione fallita"
   },
-  "servers.installing-banner.error.internal-platform": {
-    "defaultMessage": "Si è verificato un errore nell'installazione della piattaforma. Riprova più tardi."
-  },
-  "servers.installing-banner.error.invalid-loader-version": {
-    "defaultMessage": "Questa versione di Minecraft o del loader non è potuta essere installata. Potrebbe essere non valida o non supportata."
-  },
-  "servers.installing-banner.error.modpack-install-failed": {
-    "defaultMessage": "Questo pacchetto non è potuto essere installato. Potrebbe essere corrotto o incompatibile."
-  },
-  "servers.installing-banner.error.no-primary-file": {
-    "defaultMessage": "Questa versione del pacchetto non include un file scaricabile. Potrebbe essere stata malformata."
-  },
   "servers.installing-banner.error.unknown": {
     "defaultMessage": "Si è verificato un errore durante l'installazione."
   },
-  "servers.installing-banner.error.unsupported-loader-version": {
-    "defaultMessage": "Questa versione di Minecraft o del loader non è ancora supportata da Modrinth Hosting."
-  },
-  "servers.installing-banner.phase.installing-addons": {
-    "defaultMessage": "Installando gli addon..."
-  },
-  "servers.installing-banner.phase.installing-modpack": {
-    "defaultMessage": "Installando il pacchetto..."
-  },
-  "servers.installing-banner.phase.installing-platform": {
-    "defaultMessage": "Installando la piattaforma..."
-  },
   "servers.installing-banner.preparing.header": {
     "defaultMessage": "Stiamo preparando il tuo server"
   },
-  "servers.installing-banner.ticker.adding-java": {
-    "defaultMessage": "Aggiungendo Java..."
-  },
-  "servers.installing-banner.ticker.configuring-server": {
-    "defaultMessage": "Configurando il server..."
-  },
-  "servers.installing-banner.ticker.downloading-mods": {
-    "defaultMessage": "Scaricando le mod..."
-  },
-  "servers.installing-banner.ticker.organizing-files": {
-    "defaultMessage": "Organizzando i file..."
-  },
-  "servers.installing-banner.ticker.setting-up-environment": {
-    "defaultMessage": "Configurando l'ambiente..."
-  },
   "servers.list-empty.already-have-server-label": {
     "defaultMessage": "Hai già un server?"
   },
diff --git a/packages/ui/src/locales/ja-JP/index.json b/packages/ui/src/locales/ja-JP/index.json
index f8b54f21a3..9a0841f070 100644
--- a/packages/ui/src/locales/ja-JP/index.json
+++ b/packages/ui/src/locales/ja-JP/index.json
@@ -4088,9 +4088,6 @@
   "servers.busy.installing": {
     "defaultMessage": "サーバーがインストール中です"
   },
-  "servers.busy.syncing-content": {
-    "defaultMessage": "コンテンツの同期処理中です"
-  },
   "servers.grant-access-modal.add-as-friend": {
     "defaultMessage": "フレンドのリクエストも送信する"
   },
@@ -4145,51 +4142,12 @@
   "servers.installing-banner.error.header": {
     "defaultMessage": "インストールが失敗しました"
   },
-  "servers.installing-banner.error.internal-platform": {
-    "defaultMessage": "プラットフォームのインストール中、内部エラーが発生しました。もう一度お試しください。"
-  },
-  "servers.installing-banner.error.invalid-loader-version": {
-    "defaultMessage": "特定のModローダーMinecraftのバージョンをインストールできませんでした。いずれかが非対応または無効である可能性があります。"
-  },
-  "servers.installing-banner.error.modpack-install-failed": {
-    "defaultMessage": "このModパックをインストールすることができませんでした。Modが非対応または破損している可能性があります。"
-  },
-  "servers.installing-banner.error.no-primary-file": {
-    "defaultMessage": "このModパックのバージョンには、ダウンロード可能なファイルが含まれていません。パッケージ化が正しく行われていない可能性があります。"
-  },
   "servers.installing-banner.error.unknown": {
     "defaultMessage": "インストール中に予期せぬエラーが発生しました。"
   },
-  "servers.installing-banner.error.unsupported-loader-version": {
-    "defaultMessage": "このMinecraftのバージョンまたはModローダーはModrinthホスティングでまだ対応されていません。"
-  },
-  "servers.installing-banner.phase.installing-addons": {
-    "defaultMessage": "アドオンをインストールしています…"
-  },
-  "servers.installing-banner.phase.installing-modpack": {
-    "defaultMessage": "Modパックをインストールしています…"
-  },
-  "servers.installing-banner.phase.installing-platform": {
-    "defaultMessage": "プラットフォームをインストールしています…"
-  },
   "servers.installing-banner.preparing.header": {
     "defaultMessage": "あなたのサーバーを準備しています"
   },
-  "servers.installing-banner.ticker.adding-java": {
-    "defaultMessage": "Javaを追加しています…"
-  },
-  "servers.installing-banner.ticker.configuring-server": {
-    "defaultMessage": "サーバーの設定をしています…"
-  },
-  "servers.installing-banner.ticker.downloading-mods": {
-    "defaultMessage": "Modをダウンロードしています…"
-  },
-  "servers.installing-banner.ticker.organizing-files": {
-    "defaultMessage": "ファイルを整理しています…"
-  },
-  "servers.installing-banner.ticker.setting-up-environment": {
-    "defaultMessage": "環境を整えています…"
-  },
   "servers.list-empty.already-have-server-label": {
     "defaultMessage": "既にサーバーをお持ちですか？"
   },
diff --git a/packages/ui/src/locales/ko-KR/index.json b/packages/ui/src/locales/ko-KR/index.json
index bb9074a14d..bc5c7b9cd8 100644
--- a/packages/ui/src/locales/ko-KR/index.json
+++ b/packages/ui/src/locales/ko-KR/index.json
@@ -4385,9 +4385,6 @@
   "servers.busy.installing": {
     "defaultMessage": "서버 설치 중"
   },
-  "servers.busy.syncing-content": {
-    "defaultMessage": "콘텐츠 동기화 진행 중"
-  },
   "servers.grant-access-modal.add-as-friend": {
     "defaultMessage": "친구 요청도 보내기"
   },
@@ -4442,51 +4439,12 @@
   "servers.installing-banner.error.header": {
     "defaultMessage": "설치 실패"
   },
-  "servers.installing-banner.error.internal-platform": {
-    "defaultMessage": "플랫폼 설치 중 내부 오류가 발생했습니다. 다시 시도해 주세요."
-  },
-  "servers.installing-banner.error.invalid-loader-version": {
-    "defaultMessage": "지정한 로더 또는 마인크래프트 버전을 설치할 수 없습니다. 유효하지 않거나 지원되지 않는 것일 수 있습니다."
-  },
-  "servers.installing-banner.error.modpack-install-failed": {
-    "defaultMessage": "모드팩을 설치할 수 없습니다. 파일이 손상되었거나 호환되지 않을 수 있습니다."
-  },
-  "servers.installing-banner.error.no-primary-file": {
-    "defaultMessage": "이 모드팩 버전은 다운로드 가능한 파일을 포함되어 있지 않습니다. 패키징이 잘못되었을 수 있습니다."
-  },
   "servers.installing-banner.error.unknown": {
     "defaultMessage": "설치 중 알 수 없는 오류가 발생했습니다."
   },
-  "servers.installing-banner.error.unsupported-loader-version": {
-    "defaultMessage": "이 미인크래프트 또는 로더 버전은 아직 Modrinth Hosting에서 지원되지 않습니다."
-  },
-  "servers.installing-banner.phase.installing-addons": {
-    "defaultMessage": "애드온 설치 중..."
-  },
-  "servers.installing-banner.phase.installing-modpack": {
-    "defaultMessage": "모드팩 설치 중..."
-  },
-  "servers.installing-banner.phase.installing-platform": {
-    "defaultMessage": "플랫폼 설치 중..."
-  },
   "servers.installing-banner.preparing.header": {
     "defaultMessage": "서버를 준비하고 있습니다"
   },
-  "servers.installing-banner.ticker.adding-java": {
-    "defaultMessage": "Java 추가 중..."
-  },
-  "servers.installing-banner.ticker.configuring-server": {
-    "defaultMessage": "서버 구성 중..."
-  },
-  "servers.installing-banner.ticker.downloading-mods": {
-    "defaultMessage": "모드 다운로드 중..."
-  },
-  "servers.installing-banner.ticker.organizing-files": {
-    "defaultMessage": "파일 준비 중..."
-  },
-  "servers.installing-banner.ticker.setting-up-environment": {
-    "defaultMessage": "환경 설정 중..."
-  },
   "servers.list-empty.already-have-server-label": {
     "defaultMessage": "서버가 이미 있으신가요?"
   },
diff --git a/packages/ui/src/locales/ms-MY/index.json b/packages/ui/src/locales/ms-MY/index.json
index 98a8c3ce49..f703cf876f 100644
--- a/packages/ui/src/locales/ms-MY/index.json
+++ b/packages/ui/src/locales/ms-MY/index.json
@@ -3875,9 +3875,6 @@
   "servers.busy.installing": {
     "defaultMessage": "Pelayan sedang dipasang"
   },
-  "servers.busy.syncing-content": {
-    "defaultMessage": "Penyegerakan kandungan sedang dijalankan"
-  },
   "servers.grant-access-modal.cancel": {
     "defaultMessage": "Batal"
   },
@@ -3908,45 +3905,9 @@
   "servers.installing-banner.error.header": {
     "defaultMessage": "Pemasangan gagal"
   },
-  "servers.installing-banner.error.internal-platform": {
-    "defaultMessage": "Sebuah ralat dalaman telah berlaku semasa memasang platform. Sila cuba lagi kemudian."
-  },
-  "servers.installing-banner.error.invalid-loader-version": {
-    "defaultMessage": "Pemuat atau versi Minecraft yang dinyatakan tidak dapat dipasang. Ia mungkin tidak sah atau tidak disokong."
-  },
-  "servers.installing-banner.error.no-primary-file": {
-    "defaultMessage": "Versi pek mod ini tidak menyertakan fail yang boleh dimuat turun. Ia mungkin telah dibungkus secara salah."
-  },
-  "servers.installing-banner.error.unsupported-loader-version": {
-    "defaultMessage": "Versi Minecraft atau pemuat ini belum disokong oleh Modrinth Hosting."
-  },
-  "servers.installing-banner.phase.installing-addons": {
-    "defaultMessage": "Sedang memasang tambahan..."
-  },
-  "servers.installing-banner.phase.installing-modpack": {
-    "defaultMessage": "Sedang memasang pek mod..."
-  },
-  "servers.installing-banner.phase.installing-platform": {
-    "defaultMessage": "Sedang memasang platform..."
-  },
   "servers.installing-banner.preparing.header": {
     "defaultMessage": "Kami sedang menyediakan pelayan anda"
   },
-  "servers.installing-banner.ticker.adding-java": {
-    "defaultMessage": "Sedang menambah Java..."
-  },
-  "servers.installing-banner.ticker.configuring-server": {
-    "defaultMessage": "Sedang mengkonfigurasikan pelayan..."
-  },
-  "servers.installing-banner.ticker.downloading-mods": {
-    "defaultMessage": "Sedang memuat turun mod..."
-  },
-  "servers.installing-banner.ticker.organizing-files": {
-    "defaultMessage": "Sedang menyusun fail..."
-  },
-  "servers.installing-banner.ticker.setting-up-environment": {
-    "defaultMessage": "Sedang menyediakan persekitaran..."
-  },
   "servers.list-empty.already-have-server-label": {
     "defaultMessage": "Sudah mempunyai pelayan?"
   },
@@ -5037,4 +4998,3 @@
     "defaultMessage": "Jenis"
   }
 }
-
diff --git a/packages/ui/src/locales/nl-NL/index.json b/packages/ui/src/locales/nl-NL/index.json
index 24abd99bdc..aa897f039b 100644
--- a/packages/ui/src/locales/nl-NL/index.json
+++ b/packages/ui/src/locales/nl-NL/index.json
@@ -4367,9 +4367,6 @@
   "servers.busy.installing": {
     "defaultMessage": "De server wordt geïnstalleerd"
   },
-  "servers.busy.syncing-content": {
-    "defaultMessage": "Inhoud wordt gesynchroniseerd"
-  },
   "servers.grant-access-modal.add-as-friend": {
     "defaultMessage": "Ook een vriendschapsverzoek sturen"
   },
@@ -4424,51 +4421,12 @@
   "servers.installing-banner.error.header": {
     "defaultMessage": "Installeren is mislukt"
   },
-  "servers.installing-banner.error.internal-platform": {
-    "defaultMessage": "Er is een interne fout opgetreden tijdens het installeren van het platform. Probeer het nog eens."
-  },
-  "servers.installing-banner.error.invalid-loader-version": {
-    "defaultMessage": "De opgegeven loader of Minecraft-versie kon niet worden geïnstalleerd. Deze is mogelijk ongeldig of wordt niet ondersteund."
-  },
-  "servers.installing-banner.error.modpack-install-failed": {
-    "defaultMessage": "Het modpack kon niet worden geïnstalleerd. Het is mogelijk beschadigd of niet compatibel."
-  },
-  "servers.installing-banner.error.no-primary-file": {
-    "defaultMessage": "Deze versie van het modpack bevat geen downloadbaar bestand. Mogelijk is het pakket niet correct samengesteld."
-  },
   "servers.installing-banner.error.unknown": {
     "defaultMessage": "Tijdens de installatie is er een onverwachte fout opgetreden."
   },
-  "servers.installing-banner.error.unsupported-loader-version": {
-    "defaultMessage": "Deze versie van Minecraft of loader wordt nog niet ondersteund door Modrinth Hosting."
-  },
-  "servers.installing-banner.phase.installing-addons": {
-    "defaultMessage": "Add-ons aan het installeren..."
-  },
-  "servers.installing-banner.phase.installing-modpack": {
-    "defaultMessage": "Modpack aan het installeren..."
-  },
-  "servers.installing-banner.phase.installing-platform": {
-    "defaultMessage": "Platform aan het installeren..."
-  },
   "servers.installing-banner.preparing.header": {
     "defaultMessage": "We zijn je server aan het klaarmaken"
   },
-  "servers.installing-banner.ticker.adding-java": {
-    "defaultMessage": "Java toevoegen..."
-  },
-  "servers.installing-banner.ticker.configuring-server": {
-    "defaultMessage": "Server wordt geconfigureerd..."
-  },
-  "servers.installing-banner.ticker.downloading-mods": {
-    "defaultMessage": "Mods worden gedownload..."
-  },
-  "servers.installing-banner.ticker.organizing-files": {
-    "defaultMessage": "Bestanden worden geordend..."
-  },
-  "servers.installing-banner.ticker.setting-up-environment": {
-    "defaultMessage": "Omgeving wordt opgezet..."
-  },
   "servers.list-empty.already-have-server-label": {
     "defaultMessage": "Heb je al een server?"
   },
diff --git a/packages/ui/src/locales/pl-PL/index.json b/packages/ui/src/locales/pl-PL/index.json
index caba145929..7aa362b5da 100644
--- a/packages/ui/src/locales/pl-PL/index.json
+++ b/packages/ui/src/locales/pl-PL/index.json
@@ -4367,9 +4367,6 @@
   "servers.busy.installing": {
     "defaultMessage": "Serwer jest instalowany"
   },
-  "servers.busy.syncing-content": {
-    "defaultMessage": "Synchronizacja zawartości w toku"
-  },
   "servers.grant-access-modal.add-as-friend": {
     "defaultMessage": "Wyślij także zaproszenie do znajomych"
   },
@@ -4424,51 +4421,12 @@
   "servers.installing-banner.error.header": {
     "defaultMessage": "Instalacja nie powiodła się"
   },
-  "servers.installing-banner.error.internal-platform": {
-    "defaultMessage": "Wystąpił wewnętrzny błąd podczas instalowania platformy. Spróbuj ponownie później."
-  },
-  "servers.installing-banner.error.invalid-loader-version": {
-    "defaultMessage": "Nie udało się zainstalować podanego loadera lub podanej wersji Minecraft. Mogą być niepoprawne lub niewspierane."
-  },
-  "servers.installing-banner.error.modpack-install-failed": {
-    "defaultMessage": "Nie udało się zainstalować paczki modów. Może być zepsuta lub niekompatybilna."
-  },
-  "servers.installing-banner.error.no-primary-file": {
-    "defaultMessage": "Ta wersja paczki modów nie zawiera pliku do pobrania. Możliwe, że została niepoprawnie zapakowana."
-  },
   "servers.installing-banner.error.unknown": {
     "defaultMessage": "Wystąpił nieoczekiwany błąd podczas instalacji."
   },
-  "servers.installing-banner.error.unsupported-loader-version": {
-    "defaultMessage": "Ta wersja Minecraft lub loader nie są jeszcze wspierane przez Modrinth Hosting."
-  },
-  "servers.installing-banner.phase.installing-addons": {
-    "defaultMessage": "Instalowanie dodatków..."
-  },
-  "servers.installing-banner.phase.installing-modpack": {
-    "defaultMessage": "Instalowanie paczki modów..."
-  },
-  "servers.installing-banner.phase.installing-platform": {
-    "defaultMessage": "Instalowanie platformy..."
-  },
   "servers.installing-banner.preparing.header": {
     "defaultMessage": "Przygotowujemy Twój serwer"
   },
-  "servers.installing-banner.ticker.adding-java": {
-    "defaultMessage": "Dodawanie Java..."
-  },
-  "servers.installing-banner.ticker.configuring-server": {
-    "defaultMessage": "Ustawianie serwera..."
-  },
-  "servers.installing-banner.ticker.downloading-mods": {
-    "defaultMessage": "Pobieranie modów..."
-  },
-  "servers.installing-banner.ticker.organizing-files": {
-    "defaultMessage": "Organizowanie plików..."
-  },
-  "servers.installing-banner.ticker.setting-up-environment": {
-    "defaultMessage": "Ustawianie środowiska..."
-  },
   "servers.list-empty.already-have-server-label": {
     "defaultMessage": "Posiadasz już serwer?"
   },
diff --git a/packages/ui/src/locales/pt-BR/index.json b/packages/ui/src/locales/pt-BR/index.json
index 94d4ab2ced..5041f9f451 100644
--- a/packages/ui/src/locales/pt-BR/index.json
+++ b/packages/ui/src/locales/pt-BR/index.json
@@ -4388,9 +4388,6 @@
   "servers.busy.installing": {
     "defaultMessage": "O servidor está sendo instalado"
   },
-  "servers.busy.syncing-content": {
-    "defaultMessage": "Sincronização de conteúdo em andamento"
-  },
   "servers.grant-access-modal.add-as-friend": {
     "defaultMessage": "Envie também um pedido de amizade"
   },
@@ -4445,51 +4442,12 @@
   "servers.installing-banner.error.header": {
     "defaultMessage": "A instalação falhou"
   },
-  "servers.installing-banner.error.internal-platform": {
-    "defaultMessage": "Ocorreu um erro interno durante a instalação da plataforma. Tente novamente."
-  },
-  "servers.installing-banner.error.invalid-loader-version": {
-    "defaultMessage": "Não foi possível instalar o carregador ou a versão do Minecraft especificada. Ela pode ser inválida ou não suportada."
-  },
-  "servers.installing-banner.error.modpack-install-failed": {
-    "defaultMessage": "O pacote de mods não pôde ser instalado. Ele pode estar corrompido ou ser incompatível."
-  },
-  "servers.installing-banner.error.no-primary-file": {
-    "defaultMessage": "Esta versão do pacote de mods não inclui um arquivo para download. Ela pode ter sido empacotada incorretamente."
-  },
   "servers.installing-banner.error.unknown": {
     "defaultMessage": "Um erro inesperado ocorreu durante a instalação"
   },
-  "servers.installing-banner.error.unsupported-loader-version": {
-    "defaultMessage": "Esta versão do Minecraft ou do carregador ainda não é suportada pelo Modrinth Hosting."
-  },
-  "servers.installing-banner.phase.installing-addons": {
-    "defaultMessage": "Instalando complementos..."
-  },
-  "servers.installing-banner.phase.installing-modpack": {
-    "defaultMessage": "Instalando pacote de mods..."
-  },
-  "servers.installing-banner.phase.installing-platform": {
-    "defaultMessage": "Instalando plataforma"
-  },
   "servers.installing-banner.preparing.header": {
     "defaultMessage": "Nós estamos preparando seu servidor"
   },
-  "servers.installing-banner.ticker.adding-java": {
-    "defaultMessage": "Adicionando Java..."
-  },
-  "servers.installing-banner.ticker.configuring-server": {
-    "defaultMessage": "Configurando servidor..."
-  },
-  "servers.installing-banner.ticker.downloading-mods": {
-    "defaultMessage": "Baixando mods..."
-  },
-  "servers.installing-banner.ticker.organizing-files": {
-    "defaultMessage": "Organizando arquivos..."
-  },
-  "servers.installing-banner.ticker.setting-up-environment": {
-    "defaultMessage": "Configurando ambiente..."
-  },
   "servers.list-empty.already-have-server-label": {
     "defaultMessage": "Já possui um servidor?"
   },
diff --git a/packages/ui/src/locales/ru-RU/index.json b/packages/ui/src/locales/ru-RU/index.json
index 4ea8887073..10395d056c 100644
--- a/packages/ui/src/locales/ru-RU/index.json
+++ b/packages/ui/src/locales/ru-RU/index.json
@@ -4328,9 +4328,6 @@
   "servers.busy.installing": {
     "defaultMessage": "Сервер устанавливается"
   },
-  "servers.busy.syncing-content": {
-    "defaultMessage": "Синхронизация контента в процессе"
-  },
   "servers.grant-access-modal.add-as-friend": {
     "defaultMessage": "Также отправить запрос в друзья"
   },
@@ -4385,51 +4382,12 @@
   "servers.installing-banner.error.header": {
     "defaultMessage": "Установка не удалась"
   },
-  "servers.installing-banner.error.internal-platform": {
-    "defaultMessage": "Во время установки платформы произошла внутренняя ошибка. Попробуйте ещё раз."
-  },
-  "servers.installing-banner.error.invalid-loader-version": {
-    "defaultMessage": "Не удалось установить указанную версию загрузчика или Minecraft. Возможно, она недействительна или не поддерживается."
-  },
-  "servers.installing-banner.error.modpack-install-failed": {
-    "defaultMessage": "Не удалось установить сборку модов. Возможно, она повреждена или несовместима."
-  },
-  "servers.installing-banner.error.no-primary-file": {
-    "defaultMessage": "Эта версия сборки не содержит загрузочного файла. Возможно, она была собрана неправильно."
-  },
   "servers.installing-banner.error.unknown": {
     "defaultMessage": "Во время установки произошла непредвиденная ошибка."
   },
-  "servers.installing-banner.error.unsupported-loader-version": {
-    "defaultMessage": "Эта версия Minecraft или загрузчика пока не поддерживается Modrinth Hosting."
-  },
-  "servers.installing-banner.phase.installing-addons": {
-    "defaultMessage": "Установка дополнений..."
-  },
-  "servers.installing-banner.phase.installing-modpack": {
-    "defaultMessage": "Установка сборки..."
-  },
-  "servers.installing-banner.phase.installing-platform": {
-    "defaultMessage": "Установка платформы..."
-  },
   "servers.installing-banner.preparing.header": {
     "defaultMessage": "Подготовка сервера"
   },
-  "servers.installing-banner.ticker.adding-java": {
-    "defaultMessage": "Добавление Java..."
-  },
-  "servers.installing-banner.ticker.configuring-server": {
-    "defaultMessage": "Настройка сервера..."
-  },
-  "servers.installing-banner.ticker.downloading-mods": {
-    "defaultMessage": "Скачивание модов..."
-  },
-  "servers.installing-banner.ticker.organizing-files": {
-    "defaultMessage": "Упорядочивание файлов..."
-  },
-  "servers.installing-banner.ticker.setting-up-environment": {
-    "defaultMessage": "Настройка среды..."
-  },
   "servers.list-empty.already-have-server-label": {
     "defaultMessage": "Уже есть сервер?"
   },
diff --git a/packages/ui/src/locales/sr-CS/index.json b/packages/ui/src/locales/sr-CS/index.json
index 7b0b92f8b9..171c7445c4 100644
--- a/packages/ui/src/locales/sr-CS/index.json
+++ b/packages/ui/src/locales/sr-CS/index.json
@@ -4370,9 +4370,6 @@
   "servers.busy.installing": {
     "defaultMessage": "Server se instalira"
   },
-  "servers.busy.syncing-content": {
-    "defaultMessage": "Sinhronizacija sadržaja u toku"
-  },
   "servers.grant-access-modal.add-as-friend": {
     "defaultMessage": "Pošalji i zahtev za prijateljstvo"
   },
@@ -4427,51 +4424,12 @@
   "servers.installing-banner.error.header": {
     "defaultMessage": "Neuspešna instalacija"
   },
-  "servers.installing-banner.error.internal-platform": {
-    "defaultMessage": "Došlo je do interne greške prilikom instaliranja platforme. Molimo te, pokušaj ponovo."
-  },
-  "servers.installing-banner.error.invalid-loader-version": {
-    "defaultMessage": "Navedeni učitavač ili verzija Minecrafta se ne mogu instalirati. Moguće je da su nevažeći ili nepodržani."
-  },
-  "servers.installing-banner.error.modpack-install-failed": {
-    "defaultMessage": "Modpak nije mogao biti instaliran. Možda je oštećen ili nekompatibilan."
-  },
-  "servers.installing-banner.error.no-primary-file": {
-    "defaultMessage": "Ova verzija modpaka ne uključuje datoteku za preuzimanje. Moguće je da je pogrešno upakovana."
-  },
   "servers.installing-banner.error.unknown": {
     "defaultMessage": "Došlo je do neočekivane greške tokom instalacije."
   },
-  "servers.installing-banner.error.unsupported-loader-version": {
-    "defaultMessage": "Ova verzija Minecrafta ili učitavača još uvek nije podržana od strane Modrinth Hosting-a."
-  },
-  "servers.installing-banner.phase.installing-addons": {
-    "defaultMessage": "Instaliranje addona..."
-  },
-  "servers.installing-banner.phase.installing-modpack": {
-    "defaultMessage": "Instaliranje modpacka..."
-  },
-  "servers.installing-banner.phase.installing-platform": {
-    "defaultMessage": "Instaliranje platforme..."
-  },
   "servers.installing-banner.preparing.header": {
     "defaultMessage": "Pripremamo tvoj server"
   },
-  "servers.installing-banner.ticker.adding-java": {
-    "defaultMessage": "Dodavanje Jave..."
-  },
-  "servers.installing-banner.ticker.configuring-server": {
-    "defaultMessage": "Konfigurisanje servera..."
-  },
-  "servers.installing-banner.ticker.downloading-mods": {
-    "defaultMessage": "Instaliranje modova..."
-  },
-  "servers.installing-banner.ticker.organizing-files": {
-    "defaultMessage": "Organiziranje datoteka..."
-  },
-  "servers.installing-banner.ticker.setting-up-environment": {
-    "defaultMessage": "Podešavanje okruženja..."
-  },
   "servers.list-empty.already-have-server-label": {
     "defaultMessage": "Već imaš server?"
   },
@@ -5787,4 +5745,3 @@
     "defaultMessage": "Tip"
   }
 }
-
diff --git a/packages/ui/src/locales/sv-SE/index.json b/packages/ui/src/locales/sv-SE/index.json
index afffe82070..da3cb4562d 100644
--- a/packages/ui/src/locales/sv-SE/index.json
+++ b/packages/ui/src/locales/sv-SE/index.json
@@ -3848,36 +3848,12 @@
   "servers.installing-banner.error.header": {
     "defaultMessage": "Installering misslyckades"
   },
-  "servers.installing-banner.error.internal-platform": {
-    "defaultMessage": "Ett internt fel inträffade när plattformen installerades. Vänligen försök igen."
-  },
-  "servers.installing-banner.error.modpack-install-failed": {
-    "defaultMessage": "Modpaketet kunde inte installeras. Det kanske är korrumperad eller inkompatibel."
-  },
   "servers.installing-banner.error.unknown": {
     "defaultMessage": "Ett oväntat fel inträffade under installeringen."
   },
-  "servers.installing-banner.phase.installing-addons": {
-    "defaultMessage": "Installerar tillägg..."
-  },
   "servers.installing-banner.preparing.header": {
     "defaultMessage": "Vi förbereder din server"
   },
-  "servers.installing-banner.ticker.adding-java": {
-    "defaultMessage": "Lägger till Java..."
-  },
-  "servers.installing-banner.ticker.configuring-server": {
-    "defaultMessage": "Konfigurerar server..."
-  },
-  "servers.installing-banner.ticker.downloading-mods": {
-    "defaultMessage": "Laddar ner moddar..."
-  },
-  "servers.installing-banner.ticker.organizing-files": {
-    "defaultMessage": "Organiserar filer..."
-  },
-  "servers.installing-banner.ticker.setting-up-environment": {
-    "defaultMessage": "Ställer in miljö..."
-  },
   "servers.list-empty.already-have-server-label": {
     "defaultMessage": "Har du redan en server?"
   },
@@ -4911,4 +4887,3 @@
     "defaultMessage": "Typ"
   }
 }
-
diff --git a/packages/ui/src/locales/tr-TR/index.json b/packages/ui/src/locales/tr-TR/index.json
index 8bd3409c91..600edb1e5e 100644
--- a/packages/ui/src/locales/tr-TR/index.json
+++ b/packages/ui/src/locales/tr-TR/index.json
@@ -4361,9 +4361,6 @@
   "servers.busy.installing": {
     "defaultMessage": "Sunucu kuruluyor"
   },
-  "servers.busy.syncing-content": {
-    "defaultMessage": "İçerik eşlemesi sürüyor"
-  },
   "servers.grant-access-modal.add-as-friend": {
     "defaultMessage": "Ayrıca bir arkadaş isteği gönderin"
   },
@@ -4418,51 +4415,12 @@
   "servers.installing-banner.error.header": {
     "defaultMessage": "Kurulum başarısız oldu"
   },
-  "servers.installing-banner.error.internal-platform": {
-    "defaultMessage": "Platform yüklenirken dahili bir hata oluştu. Lütfen tekrar deneyin."
-  },
-  "servers.installing-banner.error.invalid-loader-version": {
-    "defaultMessage": "Belirtilen yükleyici veya Minecraft sürümü kurulamazdı. Belki de geçersiz veya desteklenmeyen bir sürüm olabilir."
-  },
-  "servers.installing-banner.error.modpack-install-failed": {
-    "defaultMessage": "Mod paketi yüklenemedi. Bozuk veya uyumsuz olabilir."
-  },
-  "servers.installing-banner.error.no-primary-file": {
-    "defaultMessage": "Bu mod paketi sürümü indirilebilir bir dosya içermez. Yanlış paketlenmiş olabilir."
-  },
   "servers.installing-banner.error.unknown": {
     "defaultMessage": "Kurulum sırasında beklenmeyen bir hata oluştu."
   },
-  "servers.installing-banner.error.unsupported-loader-version": {
-    "defaultMessage": "Minecraft veya yükleyicinin bu sürümü henüz Modrinth Hosting tarafından desteklenmemektedir."
-  },
-  "servers.installing-banner.phase.installing-addons": {
-    "defaultMessage": "Eklentiler yükleniyor..."
-  },
-  "servers.installing-banner.phase.installing-modpack": {
-    "defaultMessage": "Mod paketi indiriliyor..."
-  },
-  "servers.installing-banner.phase.installing-platform": {
-    "defaultMessage": "Platform yükleniyor..."
-  },
   "servers.installing-banner.preparing.header": {
     "defaultMessage": "Sunucunuzu hazırlıyoruz"
   },
-  "servers.installing-banner.ticker.adding-java": {
-    "defaultMessage": "Java ekleniyor..."
-  },
-  "servers.installing-banner.ticker.configuring-server": {
-    "defaultMessage": "Sunucu yapılandırılıyor..."
-  },
-  "servers.installing-banner.ticker.downloading-mods": {
-    "defaultMessage": "Modlar indiriliyor..."
-  },
-  "servers.installing-banner.ticker.organizing-files": {
-    "defaultMessage": "Dosyalar düzenleniyor..."
-  },
-  "servers.installing-banner.ticker.setting-up-environment": {
-    "defaultMessage": "Ortam hazırlanıyor..."
-  },
   "servers.list-empty.already-have-server-label": {
     "defaultMessage": "Zaten sunucunuz var mı?"
   },
diff --git a/packages/ui/src/locales/uk-UA/index.json b/packages/ui/src/locales/uk-UA/index.json
index 5e8f268fe1..4cdf97974e 100644
--- a/packages/ui/src/locales/uk-UA/index.json
+++ b/packages/ui/src/locales/uk-UA/index.json
@@ -4340,9 +4340,6 @@
   "servers.busy.installing": {
     "defaultMessage": "Сервер установлюється"
   },
-  "servers.busy.syncing-content": {
-    "defaultMessage": "Триває синхронізація вмісту"
-  },
   "servers.grant-access-modal.add-as-friend": {
     "defaultMessage": "Також відправити запит у друзі"
   },
@@ -4397,51 +4394,12 @@
   "servers.installing-banner.error.header": {
     "defaultMessage": "Не вдалося встановити"
   },
-  "servers.installing-banner.error.internal-platform": {
-    "defaultMessage": "Під час установлення платформи сталася внутрішня помилка. Спробуйте ще раз."
-  },
-  "servers.installing-banner.error.invalid-loader-version": {
-    "defaultMessage": "Не вдалося встановити вказаний завантажувач або версію Minecraft. Він може бути недійсним або не підтримуватися."
-  },
-  "servers.installing-banner.error.modpack-install-failed": {
-    "defaultMessage": "Збірку не вдалося встановити. Вона може бути пошкоджена або несумісна."
-  },
-  "servers.installing-banner.error.no-primary-file": {
-    "defaultMessage": "Ця версія збірки не містить завантажуваних файлів. Можливо, вона була неправильно впакований."
-  },
   "servers.installing-banner.error.unknown": {
     "defaultMessage": "Під час встановлення сталася неочікувана помилка."
   },
-  "servers.installing-banner.error.unsupported-loader-version": {
-    "defaultMessage": "Ця версія Minecraft або завантажувача ще не підтримується Modrinth Hosting."
-  },
-  "servers.installing-banner.phase.installing-addons": {
-    "defaultMessage": "Установлення доповнень…"
-  },
-  "servers.installing-banner.phase.installing-modpack": {
-    "defaultMessage": "Установлення збірки…"
-  },
-  "servers.installing-banner.phase.installing-platform": {
-    "defaultMessage": "Установлення платформи…"
-  },
   "servers.installing-banner.preparing.header": {
     "defaultMessage": "Ми підготовлюємо ваш сервер"
   },
-  "servers.installing-banner.ticker.adding-java": {
-    "defaultMessage": "Додання Java…"
-  },
-  "servers.installing-banner.ticker.configuring-server": {
-    "defaultMessage": "Налаштування сервера…"
-  },
-  "servers.installing-banner.ticker.downloading-mods": {
-    "defaultMessage": "Завантаження модів…"
-  },
-  "servers.installing-banner.ticker.organizing-files": {
-    "defaultMessage": "Організування файлів…"
-  },
-  "servers.installing-banner.ticker.setting-up-environment": {
-    "defaultMessage": "Налаштування середовища…"
-  },
   "servers.list-empty.already-have-server-label": {
     "defaultMessage": "Уже маєте сервер?"
   },
diff --git a/packages/ui/src/locales/vi-VN/index.json b/packages/ui/src/locales/vi-VN/index.json
index 3908a2c382..5cbe340e8c 100644
--- a/packages/ui/src/locales/vi-VN/index.json
+++ b/packages/ui/src/locales/vi-VN/index.json
@@ -3914,57 +3914,15 @@
   "servers.busy.installing": {
     "defaultMessage": "Đang cài máy chủ"
   },
-  "servers.busy.syncing-content": {
-    "defaultMessage": "Đang đồng bộ nội dung"
-  },
   "servers.installing-banner.error.header": {
     "defaultMessage": "Tải thất bại"
   },
-  "servers.installing-banner.error.internal-platform": {
-    "defaultMessage": "Đã xảy ra lỗi nội bộ trong quá trình cài đặt nền tảng. Thử lại."
-  },
-  "servers.installing-banner.error.invalid-loader-version": {
-    "defaultMessage": "Không thể tải loader hoặc phiên bản Minecraft đã chọn. Nó có thể không phù hợp hoặc không được hỗ trợ."
-  },
-  "servers.installing-banner.error.modpack-install-failed": {
-    "defaultMessage": "Modpack này không thể tải được. Nó có thể bị hỏng hoặc không tương thích."
-  },
-  "servers.installing-banner.error.no-primary-file": {
-    "defaultMessage": "Phiên bản modpack này không chứa tệp có thể tải xuống. Nó có thể không được làm đúng cách."
-  },
   "servers.installing-banner.error.unknown": {
     "defaultMessage": "Có lỗi lạ xảy ra trong khi tải."
   },
-  "servers.installing-banner.error.unsupported-loader-version": {
-    "defaultMessage": "Phiên bản minecraft hoặc loader hiện không được hỗ trợ bởi Modrinth Hosting."
-  },
-  "servers.installing-banner.phase.installing-addons": {
-    "defaultMessage": "Đang cài addon..."
-  },
-  "servers.installing-banner.phase.installing-modpack": {
-    "defaultMessage": "Đang cài modpack..."
-  },
-  "servers.installing-banner.phase.installing-platform": {
-    "defaultMessage": "Đang cài platform..."
-  },
   "servers.installing-banner.preparing.header": {
     "defaultMessage": "Chúng tôi đang sửa máy chủ của bạn"
   },
-  "servers.installing-banner.ticker.adding-java": {
-    "defaultMessage": "Đang thêm Java..."
-  },
-  "servers.installing-banner.ticker.configuring-server": {
-    "defaultMessage": "Đang chỉnh sửa máy chủ..."
-  },
-  "servers.installing-banner.ticker.downloading-mods": {
-    "defaultMessage": "Đang tải mod..."
-  },
-  "servers.installing-banner.ticker.organizing-files": {
-    "defaultMessage": "Đang sắp sếp tệp..."
-  },
-  "servers.installing-banner.ticker.setting-up-environment": {
-    "defaultMessage": "Đang thiết lập môi trường..."
-  },
   "servers.list-empty.already-have-server-label": {
     "defaultMessage": "Đã có máy chủ rồi?"
   },
@@ -5085,4 +5043,3 @@
     "defaultMessage": "Đội ngũ Modrinth"
   }
 }
-
diff --git a/packages/ui/src/locales/zh-CN/index.json b/packages/ui/src/locales/zh-CN/index.json
index 3530218937..98e7759e80 100644
--- a/packages/ui/src/locales/zh-CN/index.json
+++ b/packages/ui/src/locales/zh-CN/index.json
@@ -4448,9 +4448,6 @@
   "servers.busy.installing": {
     "defaultMessage": "正在安装服务器"
   },
-  "servers.busy.syncing-content": {
-    "defaultMessage": "正在同步內容"
-  },
   "servers.grant-access-modal.add-as-friend": {
     "defaultMessage": "同时发送好友邀请"
   },
@@ -4505,51 +4502,12 @@
   "servers.installing-banner.error.header": {
     "defaultMessage": "安装失败"
   },
-  "servers.installing-banner.error.internal-platform": {
-    "defaultMessage": "安装平台时发生内部错误，请重试。"
-  },
-  "servers.installing-banner.error.invalid-loader-version": {
-    "defaultMessage": "指定的加载器或 Minecraft 版本无法安装。它可能无效或不受支持。"
-  },
-  "servers.installing-banner.error.modpack-install-failed": {
-    "defaultMessage": "整合包无法安装。它可能已损坏或不兼容。"
-  },
-  "servers.installing-banner.error.no-primary-file": {
-    "defaultMessage": "这个整合包版本不包含可下载的文件，可能是打包方式有问题。"
-  },
   "servers.installing-banner.error.unknown": {
     "defaultMessage": "安装过程中发生意外错误。"
   },
-  "servers.installing-banner.error.unsupported-loader-version": {
-    "defaultMessage": "Modrinth Hosting 目前尚不支持此版本的 Minecraft 或加载器。"
-  },
-  "servers.installing-banner.phase.installing-addons": {
-    "defaultMessage": "正在安装组件……"
-  },
-  "servers.installing-banner.phase.installing-modpack": {
-    "defaultMessage": "正在安装整合包……"
-  },
-  "servers.installing-banner.phase.installing-platform": {
-    "defaultMessage": "正在安装平台……"
-  },
   "servers.installing-banner.preparing.header": {
     "defaultMessage": "我们正在准备你的服务器"
   },
-  "servers.installing-banner.ticker.adding-java": {
-    "defaultMessage": "正在添加 Java……"
-  },
-  "servers.installing-banner.ticker.configuring-server": {
-    "defaultMessage": "正在配置服务器……"
-  },
-  "servers.installing-banner.ticker.downloading-mods": {
-    "defaultMessage": "正在下载模组……"
-  },
-  "servers.installing-banner.ticker.organizing-files": {
-    "defaultMessage": "正在整理文件……"
-  },
-  "servers.installing-banner.ticker.setting-up-environment": {
-    "defaultMessage": "正在设置运行环境……"
-  },
   "servers.list-empty.already-have-server-label": {
     "defaultMessage": "已经有服务器了吗？"
   },
@@ -5940,4 +5898,3 @@
     "defaultMessage": "类型"
   }
 }
-
diff --git a/packages/ui/src/locales/zh-TW/index.json b/packages/ui/src/locales/zh-TW/index.json
index 59a8778d78..7f1c09e0c1 100644
--- a/packages/ui/src/locales/zh-TW/index.json
+++ b/packages/ui/src/locales/zh-TW/index.json
@@ -4415,9 +4415,6 @@
   "servers.busy.installing": {
     "defaultMessage": "正在安裝伺服器"
   },
-  "servers.busy.syncing-content": {
-    "defaultMessage": "正在同步內容"
-  },
   "servers.grant-access-modal.add-as-friend": {
     "defaultMessage": "同時傳送好友邀請"
   },
@@ -4472,51 +4469,12 @@
   "servers.installing-banner.error.header": {
     "defaultMessage": "無法安裝"
   },
-  "servers.installing-banner.error.internal-platform": {
-    "defaultMessage": "安裝平臺時發生內部錯誤，請再試一次。"
-  },
-  "servers.installing-banner.error.invalid-loader-version": {
-    "defaultMessage": "無法安裝指定的載入器或 Minecraft 版本。該載入器或版本可能無效或不受支援。"
-  },
-  "servers.installing-banner.error.modpack-install-failed": {
-    "defaultMessage": "無法安裝模組包。該模組包可能已損毀或不相容。"
-  },
-  "servers.installing-banner.error.no-primary-file": {
-    "defaultMessage": "這個模組包版本不包含可下載檔案。可能是打包時出了問題。"
-  },
   "servers.installing-banner.error.unknown": {
     "defaultMessage": "安裝時發生非預期的錯誤。"
   },
-  "servers.installing-banner.error.unsupported-loader-version": {
-    "defaultMessage": "Modrinth Hosting 尚不支援這個 Minecraft 版本或載入器。"
-  },
-  "servers.installing-banner.phase.installing-addons": {
-    "defaultMessage": "正在安裝額外內容..."
-  },
-  "servers.installing-banner.phase.installing-modpack": {
-    "defaultMessage": "正在安裝模組包..."
-  },
-  "servers.installing-banner.phase.installing-platform": {
-    "defaultMessage": "正在安裝平臺..."
-  },
   "servers.installing-banner.preparing.header": {
     "defaultMessage": "我們正在為你準備伺服器"
   },
-  "servers.installing-banner.ticker.adding-java": {
-    "defaultMessage": "正在新增 Java..."
-  },
-  "servers.installing-banner.ticker.configuring-server": {
-    "defaultMessage": "正在設定伺服器..."
-  },
-  "servers.installing-banner.ticker.downloading-mods": {
-    "defaultMessage": "正在下載模組..."
-  },
-  "servers.installing-banner.ticker.organizing-files": {
-    "defaultMessage": "正在整理檔案..."
-  },
-  "servers.installing-banner.ticker.setting-up-environment": {
-    "defaultMessage": "正在設定環境..."
-  },
   "servers.list-empty.already-have-server-label": {
     "defaultMessage": "已經有伺服器了嗎？"
   },
@@ -5901,4 +5859,3 @@
     "defaultMessage": "類型"
   }
 }
-
diff --git a/packages/ui/src/providers/server-context.ts b/packages/ui/src/providers/server-context.ts
index 7431839807..7162aa8914 100644
--- a/packages/ui/src/providers/server-context.ts
+++ b/packages/ui/src/providers/server-context.ts
@@ -2,6 +2,10 @@ import type { Archon, UploadState } from '@modrinth/api-client'
 import type { ComputedRef, Ref } from 'vue'
 
 import type { MessageDescriptor } from '#ui/composables/i18n'
+import type {
+	ServerInstallationKey,
+	ServerInstallationState,
+} from '#ui/composables/server-installation-tracker'
 import type { FileOperation } from '#ui/layouts/shared/files-tab/types'
 
 import { createContext } from '.'
@@ -49,9 +53,11 @@ export interface ModrinthServerContext {
 	readonly isServerRunning: ComputedRef<boolean>
 	readonly stats: Ref<ServerStats>
 	readonly uptimeSeconds: Ref<number>
-
-	// Content sync state
-	readonly isSyncingContent: Ref<boolean>
+	readonly installProgressItems: Ref<Archon.Websocket.v0.InstallProgressItem[]>
+	readonly installation: ComputedRef<ServerInstallationState | null>
+	beginInstallation: (key: ServerInstallationKey) => void
+	cancelOptimisticInstallation: () => void
+	dismissInstallation: (id: string) => void
 
 	// Busy state — when non-empty, all write operations should be disabled
 	readonly busyReasons: ComputedRef<BusyReason[]>
diff --git a/packages/ui/src/stories/servers/EditServerIcon.stories.ts b/packages/ui/src/stories/servers/EditServerIcon.stories.ts
index 04d05a15f9..03ae672600 100644
--- a/packages/ui/src/stories/servers/EditServerIcon.stories.ts
+++ b/packages/ui/src/stories/servers/EditServerIcon.stories.ts
@@ -71,7 +71,11 @@ const meta = {
 					isServerRunning: computed(() => true),
 					stats,
 					uptimeSeconds: ref(0),
-					isSyncingContent: ref(false),
+					installProgressItems: ref<Archon.Websocket.v0.InstallProgressItem[]>([]),
+					installation: computed(() => null),
+					beginInstallation: () => {},
+					cancelOptimisticInstallation: () => {},
+					dismissInstallation: () => {},
 					busyReasons: computed(() => []),
 					fsAuth: ref(null),
 					fsOps: ref<Archon.Websocket.v0.FilesystemOperation[]>([]),
diff --git a/packages/ui/src/stories/servers/InstallingBanner.stories.ts b/packages/ui/src/stories/servers/InstallingBanner.stories.ts
index cdf65e9da2..3109dd1efb 100644
--- a/packages/ui/src/stories/servers/InstallingBanner.stories.ts
+++ b/packages/ui/src/stories/servers/InstallingBanner.stories.ts
@@ -1,6 +1,85 @@
+import type { Archon, UploadState } from '@modrinth/api-client'
 import type { Meta, StoryObj } from '@storybook/vue3-vite'
+import { computed, ref } from 'vue'
 
 import InstallingBanner from '../../components/servers/InstallingBanner.vue'
+import type { ServerInstallationState } from '../../composables/server-installation-tracker'
+import { provideModrinthServerContext } from '../../providers'
+import type {
+	CancelUploadHandler,
+	ModrinthServerContext,
+	ServerStats,
+} from '../../providers/server-context'
+
+function renderInstallation(state: ServerInstallationState) {
+	return () => ({
+		components: { InstallingBanner },
+		setup() {
+			const installation = ref<ServerInstallationState | null>(state)
+			const serverContext: ModrinthServerContext = {
+				get serverId() {
+					return 'story-server'
+				},
+				worldId: ref<string | null>('story-world'),
+				server: ref({
+					server_id: 'story-server',
+					status: 'installing',
+				} as Archon.Servers.v0.Server),
+				serverFull: computed(() => null),
+				currentUserPermissions: computed(() => 0),
+				isConnected: ref(true),
+				isWsAuthIncorrect: ref(false),
+				powerState: ref('stopped'),
+				powerStateDetails: ref(undefined),
+				isServerRunning: computed(() => false),
+				stats: ref<ServerStats>({
+					current: {
+						cpu_percent: 0,
+						ram_usage_bytes: 0,
+						ram_total_bytes: 1,
+						storage_usage_bytes: 0,
+						storage_total_bytes: 0,
+					},
+					past: {
+						cpu_percent: 0,
+						ram_usage_bytes: 0,
+						ram_total_bytes: 1,
+						storage_usage_bytes: 0,
+						storage_total_bytes: 0,
+					},
+					graph: { cpu: [], ram: [] },
+				}),
+				uptimeSeconds: ref(0),
+				installProgressItems: ref<Archon.Websocket.v0.InstallProgressItem[]>([]),
+				installation: computed(() => installation.value),
+				beginInstallation: () => {},
+				cancelOptimisticInstallation: () => {},
+				dismissInstallation: () => {
+					installation.value = null
+				},
+				busyReasons: computed(() => []),
+				fsAuth: ref(null),
+				fsOps: ref<Archon.Websocket.v0.FilesystemOperation[]>([]),
+				fsQueuedOps: ref<Archon.Websocket.v0.QueuedFilesystemOp[]>([]),
+				refreshFsAuth: async () => {},
+				uploadState: ref<UploadState>({
+					isUploading: false,
+					currentFileName: null,
+					currentFileProgress: 0,
+					uploadedBytes: 0,
+					totalBytes: 0,
+					completedFiles: 0,
+					totalFiles: 0,
+				}),
+				cancelUpload: ref<CancelUploadHandler | null>(null),
+				activeOperations: computed(() => []),
+				dismissOperation: async () => {},
+			}
+			provideModrinthServerContext(serverContext)
+		},
+		template: '<InstallingBanner />',
+	})
+}
 
 const meta = {
 	title: 'Servers/InstallingBanner',
@@ -10,109 +89,81 @@ const meta = {
 export default meta
 type Story = StoryObj<typeof meta>
 
-export const Default: Story = {
-	name: 'Default (no progress)',
-}
-
-export const WithProgress: Story = {
-	args: {
-		progress: {
-			phase: 'InstallingLoader',
-			percent: 45,
+export const PlatformPending: Story = {
+	render: renderInstallation({
+		id: 'platform:fabric:0.16.14:1.21.1',
+		key: {
+			type: 'platform',
+			platform: 'fabric',
+			platform_version: '0.16.14',
+			game_version: '1.21.1',
 		},
-	},
-}
-
-export const IndeterminateLoaderInstall: Story = {
-	args: {
-		progress: {
-			phase: 'InstallingLoader',
-			percent: 0,
-		},
-	},
-}
-
-export const InstallingModpack: Story = {
-	args: {
-		progress: {
-			phase: 'InstallingPack',
-			percent: 72,
-		},
-	},
-}
-
-export const InstallingAddons: Story = {
-	args: {
-		progress: {
-			phase: 'Addons',
-			percent: 90,
-		},
-	},
-}
-
-export const ErrorInvalidVersion: Story = {
-	name: 'Error: Invalid Version',
-	args: {
-		contentError: {
-			step: 'modloader',
-			description: 'the specified version may be incorrect',
-		},
-	},
+		status: 'pending',
+		progress: null,
+		error: null,
+		source: 'optimistic',
+	}),
 }
 
-export const ErrorUnsupportedVersion: Story = {
-	name: 'Error: Unsupported Version',
-	args: {
-		contentError: {
-			step: 'modloader',
-			description: 'this version is not yet supported',
+export const PlatformProgress: Story = {
+	render: renderInstallation({
+		id: 'platform:fabric:0.16.14:1.21.1',
+		key: {
+			type: 'platform',
+			platform: 'fabric',
+			platform_version: '0.16.14',
+			game_version: '1.21.1',
 		},
-	},
+		status: 'installing',
+		progress: 45,
+		error: null,
+		source: 'websocket',
+	}),
 }
 
-export const ErrorInternal: Story = {
-	name: 'Error: Internal',
-	args: {
-		contentError: {
-			step: 'modloader',
-			description: 'internal error',
+export const Vanilla: Story = {
+	render: renderInstallation({
+		id: 'platform:vanilla::1.21.1',
+		key: {
+			type: 'platform',
+			platform: 'vanilla',
+			platform_version: '',
+			game_version: '1.21.1',
 		},
-	},
+		status: 'installing',
+		progress: 20,
+		error: null,
+		source: 'websocket',
+	}),
 }
 
-export const ErrorModpackInstall: Story = {
-	name: 'Error: Modpack Install Failed',
-	args: {
-		contentError: {
-			step: 'modpack',
-			description: 'Failed to install modpack',
+export const Modpack: Story = {
+	render: renderInstallation({
+		id: 'modrinth-modpack:project:version',
+		key: {
+			type: 'modrinth_modpack',
+			project_id: 'project',
+			version_id: 'version',
 		},
-	},
+		status: 'installing',
+		progress: 72,
+		error: null,
+		source: 'websocket',
+	}),
 }
 
-export const ErrorModpackNoFile: Story = {
-	name: 'Error: Modpack No Primary File',
-	args: {
-		contentError: {
-			step: 'modpack',
-			description: 'Modpack version has no primary file',
+export const Failed: Story = {
+	render: renderInstallation({
+		id: 'platform:fabric:0.16.14:1.21.1',
+		key: {
+			type: 'platform',
+			platform: 'fabric',
+			platform_version: '0.16.14',
+			game_version: '1.21.1',
 		},
-	},
-}
-
-export const AllStates: Story = {
-	render: () => ({
-		components: { InstallingBanner },
-		template: /*html*/ `
-			<div style="display: flex; flex-direction: column; gap: 1rem;">
-				<InstallingBanner />
-				<InstallingBanner :progress="{ phase: 'InstallingLoader', percent: 0 }" />
-				<InstallingBanner :progress="{ phase: 'InstallingLoader', percent: 45 }" />
-				<InstallingBanner :content-error="{ step: 'modloader', description: 'the specified version may be incorrect' }" />
-				<InstallingBanner :content-error="{ step: 'modloader', description: 'this version is not yet supported' }" />
-				<InstallingBanner :content-error="{ step: 'modloader', description: 'internal error' }" />
-				<InstallingBanner :content-error="{ step: 'modpack', description: 'Failed to install modpack' }" />
-			</div>
-		`,
+		status: 'failed',
+		progress: null,
+		error: 'The specified version may be incorrect',
+		source: 'websocket',
 	}),
 }
diff --git a/packages/ui/src/stories/servers/ServerPanelAdmonitions.stories.ts b/packages/ui/src/stories/servers/ServerPanelAdmonitions.stories.ts
index aeccb82689..f5dff5d1e9 100644
--- a/packages/ui/src/stories/servers/ServerPanelAdmonitions.stories.ts
+++ b/packages/ui/src/stories/servers/ServerPanelAdmonitions.stories.ts
@@ -88,7 +88,11 @@ const meta = {
 					isServerRunning: computed(() => true),
 					stats,
 					uptimeSeconds: ref(0),
-					isSyncingContent: ref(false),
+					installProgressItems: ref<Archon.Websocket.v0.InstallProgressItem[]>([]),
+					installation: computed(() => null),
+					beginInstallation: () => {},
+					cancelOptimisticInstallation: () => {},
+					dismissInstallation: () => {},
 					busyReasons: computed(() => [
 						{ reason: defineMessage({ id: 's.bg', defaultMessage: 'Background task running' }) },
 					]),