Forza motorsport not starting. HELP!!!!

Ive been in contact with microsoft support and here is my reference 1437997420

Ive been trying all the known trouble shooting issues.

Im running 21:9 Screen also

Reset the game
install an windows app after i installed the game
Reinstall the xbox app
Install xbox beta app.
Remove an dlc and reisntall the dlc.

I hope you guys can give me an end to this… im sick and tired that the game does not work…

Why start a new thread when you already have one here

Maybe try posting your pc specs as well