Windows7 Earlier versions began, there is always the problem of playing video files with Sawtooth. Even watching online video files, such as popular, Uusee and thunder to see, there are similar problems. At first, many users thought it was RealPlayer, Storm audio and video, Thunder and other players and Windows7 compatible with the bad, but later, users found that other audio and video player problems still exist.
In general, the Windows7 playback of audio and video files appear mosaic, blur, and sawtooth problems, and graphics drivers, such as compatibility is not good, or drive mix, etc., may cause such problems arise. Before the graphics manufacturer and Microsoft Official to solve the problem, the author gives a temporary solution, it may be able to solve your "immediate".
1. Right-click Computer-Properties-Advanced system settings
2. Click Performance Settings
3. Uncheck "Enable combined desktop"
4. Determine exit
PS: This may have subtle effects on aero effects