Windows Media Player 11

When I use WMP if I move my mouse for e.g toward the bottom of the desktop the video in WMP will move up If I move the mouse to the top of the desktop the video will move toward the bottom of the screen and in both cases I loose either the top of the video or the bottom of the video. This same things happens to the right and to the left. I thought that WMP was corrupt so I backed up and formated and reinstalled everything. I have the same problem. I don't think that its just a WMP probem becasue it happens in other video programs as well.
I have done serches but have found nothing. If anyone knows anything about this problem I would love to know
Thanks
Rick
[684 byte] By [trickyrick] at [2008-1-9]