Hi, i dont speak german, so i have no idea wether the guy above me solved it for you or not.
I just registered to tell you that i had the same problem + terrain generation glitches like this one:
Finally, It was an app called raptor that i had installed and puts an overlay hud over games for social stuff, recording video, updating drivers, optimising games… it seems the app is not compatible with the game and causes the black screen you describe and the terrain generation glitches. I dont know if the developers are aware of it.
I hope I helped. Cheers!