In the event viewer under administrative events you will see ERROR relating to either App Readiness or App-Model Runtime both pointing to something like... "8wekyb3d8bbwe" saying that is corrupt or install failed.
You will also see the profile it is attempting to apply it too such as...
S-1-5-21-527237240-2025429265-725345543-1124
Go to the following key and confirm the name of the user with the issue, to be fair its probably all users.
Computer\HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\ProfileList\S-1-5-21-527237240-2025429265-725345543-1124
Next, go to the following key
Computer\HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Appx\AppxAllUserStore
You will see entries relating to the above... "8wekyb3d8bbwe" make a backup and then delete all entries
Next, go to the following key
Computer\HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Appx\AppxAllUserStore\S-1-5-21-527237240-2025429265-725345543-1124 make a backup and delete the entry or all users if effecting everyone
You can then login