How come when I try to close and hit the "x" button on a window the mouse gets lost in a blank screen in the top right. I will make a video and upload it laster but just wondering if anyone else has this problem.

How come when I try to close and hit the "x" button on a window the mouse gets lost in a blank screen in the top right. I will make a video and upload it laster but just wondering if anyone else has this problem. HiThis is the first report of this particular behavior that I have seen.Let us know when the video is available to view.Regards,Thank You for testing Windows 7 Beta Ronnie Vernon MVP