MSFS 2020 Blackscreen (no sound or press any button)

Hi i have playing msfs 2020 scince 18.08.20 i dont have any problems scincenow. now (20.08.20) i got a blackscreen everytime i start the game. In the right corner apears a louding signe and than all i can see is blackscreen.

I have tried :

reinstall the game

reinstall windows and formate all hard dives

my specs are :

2080 super

16gb ram

Ryzen 3950x

win 10 (x64) 1909

(i have played it on the Xbox PC app (winStore version)

i think maby it works on the steam version and i buyed it on steam but same problem (befor i reinstall my pc )

PLS help

:)