Just install Anydvd. When its installed and your pc is rebooted click on the fox in your taskbar. Click on the "DVD" tab and make sure all the options in the "Feature Removal" are checked. Then just click OK. Now your done, you wont have to mess with it again.
Now just read this post:
http://www.fileforums.com/showthread.php?t=68010
Tyler!