Action: If the video file is running on the Windows* Media Player 6.4:
In the Windows Media Player window, click View > Option.
Click the Playback tab.
Set the Hardware Acceleration to None.
Click Apply, then click OK.
If the video file is running on Windows Media Player 7 or 8:
In the Windows Media Player window, click Tools > Options.
Click the Performance tab > the Advanced button.
Deselect Use Overlays.
Click OK.
If the video file is running on RealPlayer:
In the RealPlayer window, click View > Preferences.
Click the Performance tab.
Deselect the Use Optimized Video Display check box.
Click OK.
Action: If the problem persists, disable hardware acceleration on the managed workstation.
On a Windows 2000/XP managed workstation: