Forum Discussion
Solved
Opening the msix file results in an error: "The app didn't start."
But Appinstaller start normally when I switch to Administrator User.
Found the perfect solution below.
https://answers.microsoft.com/en-us/windows/forum/all/solved-when-i-try-to-open-any-appx-or-appinstaller/cf339756-1dfb-453f-bbf8-52fbbecffdc5
You need to delete all settings in %AppData%\org.localsend\localsend_app and %AppData%\org.localsend\ - reboot PC and start your APP from MSIX/Zip version