Hello, I am probably posting a topic gone over 100 times but as i see, no new responses in the last year from what i can find.. Has anyone found a solution for the following error code I received the following message after have installed Call of Duty4 on my MacBook, and the game doesn't start: Error during initialization: Video card or driver doesn't support fullscreen gamma. Video card or driver doesn't support frame buffer blending ops beside add. I have a new MacBook 13'' can you help me? I have a Macbook pro 13.3, 2.4 core 2 duo, 4 gig ram, 250 gig, and OS 10.6 x Thanks a ton if anyone has an idea how to make Call of duty work. Regards, Tony