Turn off your screen saver when playing video

Applies to all editions of Windows Vista.
Which edition of Windows Vista am I using?

You can configure Windows Media Player to prevent your screen saver from appearing when you are watching a movie, a long video, or a visualization.

1.	Click the arrow below the Now Playing tab, and then click More Options.
2.	On the Player tab, clear the Allow screen saver during playback check box.