print screen button, save it in paint.
ctrl+Shift+esc key to get to task manager, right after start up
then another screen shot right after the media player is open and running
Do you have a stock backup of the way it came out of the box? "Windows Backup"
Even if you don't have that I'd make one right now (external drive) and reinstall the factory state,
https://addons.mozilla.org/en-US/firefox/addon/febe/ to backup your browser
Another back up of the fresh reinstall, open the windowsimagebackup folder, tell it yes you want to gain access, new folder one directory abov it, send the backup folder to the new folder you just made, that way you can shuffle your backups
Oh yeah,
www.videohelp.com for all your video needs, that and
http://forum.doom9.org