Why do I get a green screen when I watch video on my computer?

Episode 1137 (2:13:55)

Simon from Gardena, CA

Simon has issues watching YouTube videos. He gets a green screen. Leo says that the 'Accelerate Video' setting in Windows is enabled and it isn't working well. Leo suggests disabling the acceleration feature and he should make sure he has the latest video drivers installed. He should also update Flash.