Game wont start

[uberjedi]

Havent played the game in a long time but now I want to play again.
The game crashes 1 second after I click launch in the launcher.
I have tried reinstalling the game. Same effect.

How can I find out what is wrong?

 

[uberjedi]

found an old installation of CK2 on another drive, deleting that and trying reinstalling again

 

[uberjedi]

it worked!
no help needed