When I try to start Crysis 2 the following error appears:

http://img17.imageshack.us/i/crysispatcher.jpg/

I can start the game via crysis2.exe in the C:\Program Files (x86)\Electronic Arts\Crytek\Crysis 2\bin32 folder.

I have approx. 97 GB free disk space, so this can't be the Problem.

I use Windows 7 64bit.