I started the game and after a few movies (compyny logos and intro movies which are all quite small even in 800x600) I can access the (small) menu, create a character and start the Prologue. The game loads and then I can only hear the following main intro video - no picture can be seen at all (still the loading screen with a full bar is shown). Any ideas how to fix this?

Nvidia GTX960 on Win7/64 bit

Edit: Nevermind, I found the solution here in the forum. Disable desktop composition and edit nwn.ini setting SafeMovie = 0 to SafeMovie = 1.