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Cannot install Fort Firewall – Error 448: Untrusted mount point #5518
Description
NodirTemirkhodjaev.FortFirewall.3.20.4-26-10-14-20-47-11.log
UniGetUI version
2026.3.1 (installed through Scoop Extras)
Windows version
Windows 11 Pro 25H2, OS build 26200.8737, x64.
Describe your issue
I'm using UniGetUI installed through Scoop. When I try to install Fort Firewall using WinGet in UniGetUI, the installation fails with this error:
Setup was unable to create the directory
"D:\Scoop\apps\unigetui\current\Settings\Temp\ElevatedWinGetTemp\is-WZO96W6JHC.tmp".
Error 448: The path cannot be traversed because it contains an
untrusted mount point.
Steps to reproduce
- Install UniGetUI through Scoop.
- Open UniGetUI and search for Fort Firewall.
- Start installing Fort Firewall using WinGet.
- The installer fails with Error 448.
Expected behavior
Fort Firewall should install successfully.
Actual behavior
The installation fails because the setup program cannot create its temporary directory.
I found a related report about the same Windows error in #4366, but my issue occurs while installing Fort Firewall and the failing path is under UniGetUI's ElevatedWinGetTemp directory.
Is there a way to fix this issue when using UniGetUI installed through Scoop?
Activity
kiro5678 commentedon Oct 27, 2026
Gabriel Dufresne (@GabrielDuf) The issue is still present and has not been resolved. Updating Fort Firewall through UniGetUI still fails with Error 448: “The path cannot be traversed because it contains an untrusted mount point
However, if I navigate to the program's installation folder and run the installer manually, the update completes successfully without any errors.