Here's my problem. When I play a video in Windows media player or any other media player, the video gets all wierd. It's hard to explain so I'll put a picture.

better look at it full size, kinda hard to see

It gets even worse. When a video is playing the lines move and flash. It's not just this video, it's any video. what's going on?
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Baby, I can tell you there's no easy way out
Lost inside of dreams that guide you on