cod 4 error!

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hi, i just bought a new gfx card, ati x1650 pro and when i try to play cod 4 i get this error..

img261.imageshack.us/img261/5787/lol111bw8.jpg

i have re installed cod4 / updated gfx drivers / updated direct X / i dont use xfire or anything like that.

what is the problem!!