I NEED HELP! [again x'D]

hey all, now my cod4 problem is solved, another problem came -.-.
Ill post a screenshot and u'll see what i mean. All the colours of my screen are MESSED. when i play cod4 i can barely see enemies...it really sucks.



this is it. idk if u can also see it in those weird colours, otherwise i hope i explained it good enough

Thanks.

Oh btw its on vista.

Cant someone even TRY to help me..?

maybe you update video driver