Sounds like the MCI player (used in PPT) is using the wrong codec for
playback. You might want to look at the tutorial here:
http://www.pfcmedia.com/Tutorial.htm
Austin Myers
MS PowerPoint MVP Team
Provider of PFCMedia, PFCPro, PFCExpress
http://www.pfcmedia.com
>I inserted a movie clip in powerpoint 2003 and everytime I click on it to
> play it disappears. The clip plays in windows media player.