http://bugs.winehq.org/show_bug.cgi?id=21962
--- Comment #30 from Stefan Dösinger stefandoesinger@gmx.at 2010-03-18 14:30:08 --- I didn't submit the conversion check patch that fixes the bug for you yet because I want to find out what is going on with cod4 on your machine.
I'll run some tests on my other machines and see if I can spot anything. If not, I'll send the patch(it really shouldn't break anything) and see if we get some lucky clues in the future.