App installed via *.appinstaller wont start or update #6011
Description
We are having issues with our App.
The App won't update and won't start. The App Installer will open and close without any error.
Logs of Microsoft.DesktopAppinstaller:
Thu Jan 29 11:12:29 2026] - *** Start Log ***
[Thu Jan 29 11:12:29 2026] App Installer v1.27.460.0
[Thu Jan 29 11:12:29 2026]{13172} App launched
[Thu Jan 29 11:12:29 2026]{13172} Activated with Launch contract.
[Thu Jan 29 11:12:29 2026]{13172} App launched with argument [ProtocolActivation]
[Thu Jan 29 11:12:29 2026]{13172} Proceeding with protocol activation
[Thu Jan 29 11:12:29 2026]{13172} Connecting to app service for activation data
[Thu Jan 29 11:12:30 2026]{13172} GoToState -> LoadingState
[Thu Jan 29 11:12:32 2026]{13172} ERROR: Connection to App Service timed out
[Thu Jan 29 11:12:32 2026]{13172} ERROR: Failed with unexpected error
[Thu Jan 29 11:12:32 2026]{13172} GoToState -> LoadedState
[Thu Jan 29 11:12:32 2026]{13172} GoToState -> LoadedState
[Thu Jan 29 11:12:32 2026]{13172} GoToState -> BaseErrorState
[Thu Jan 29 11:12:32 2026]{13172} GoToState -> DisplayAppsInfoErrorState
The interesting part is, that it seems to work sometimes
[Thu Jan 29 11:57:31 2026] - *** Start Log ***
[Thu Jan 29 11:57:31 2026] App Installer v1.27.460.0
[Thu Jan 29 11:57:31 2026]{6892} App launched
[Thu Jan 29 11:57:31 2026]{6892} Activated with Launch contract.
[Thu Jan 29 11:57:31 2026]{6892} App launched with argument [ProtocolActivation]
[Thu Jan 29 11:57:31 2026]{6892} Proceeding with protocol activation
[Thu Jan 29 11:57:31 2026]{6892} Connecting to app service for activation data
[Thu Jan 29 11:57:31 2026]{6892} AppInstallerUri constructor, URI: [ms-appinstaller:?checkForUpdates=<packagename>]
[Thu Jan 29 11:57:31 2026]{6892} Parsed AppInstaller URI: source: [N/A], activationUri: [N/A], checkForUdpates: [<packagename>], msixauth [no]
[Thu Jan 29 11:57:31 2026]{6892} Argument is a Uri: [ms-appinstaller:?checkForUpdates=<packagename>]
[Thu Jan 29 11:57:31 2026]{6892} Setting launch intent to MSAPPINSTALLER_UPDATE_ON_APP_ACTIVATION
[Thu Jan 29 11:57:31 2026]{6892} GoToState -> LoadingState
...