Forum Discussion
MSIX Side loaded app fails to start with 'Failed due to unknown reason.'
Our application (https://application-downloads.azurewebsites.net/), suddenly stopped working today with no warning and no changes being deployed. The application shows the error “Cannot open app pack...
We've run in to the same problem. We first noticed the problem in the insider build of Windows 11, but it seems to have made its way into Windows 10 now.
One solution that we've found is disabling the update UI (i.e. removing ShowPromt="true" in the .appinstaller file), but then we're limited to doing background updates.
One solution that we've found is disabling the update UI (i.e. removing ShowPromt="true" in the .appinstaller file), but then we're limited to doing background updates.
- Hi, it’s fixed now, you need to update the app installer from the Microsoft store and it will work again.
