1 Install english (united states) lanuage pack.
2 Launch xbox app and sign out
3 Launch microsoft store app and sign out
4 restart pc.
5 Go to community folder and delete all folders and files.
6 G to OneStore folder and delete all 3rd party airports (non ms/asobo), landmarks and airplanes.
7 Go to
c:\Users\yourusername\AppData\Local\Packages\Microsoft.FlightSimulator_8wekyb3d8bbwe\LocalCache
Delete file named content.xml
8 Go to
c:\Users\yourusername\AppData\Local\Packages\Microsoft.FlightSimulator_8wekyb3d8bbwe\LocalState\packages
delete all folders
9 update system to the latest version via windows update
10 launch microsoft store app > sign in and check for updates
11 launch xbox app and sign in
12 update graphics card drivers
Restart PC.
Launch msfs.