To play DVD's with Windows Media Player, you need to have a DVD Player (For
example, PowerDVD) or a MPEG2
codec installed.[HKEY_CURRENT_USER\Software\Microsoft\MediaPlayer\Player
\Settings]Create the String value Enable DVDUI, value = yes. Reboot.
Delete Windows Media Player 8 history and playlists History
In C:\Documents and Settings\{username}\Local Settings\Application Data, you
will find a file with a name such as DCBC2A71-70D8-4DAN-#HR*-#0D61DEA3FDF.ini.
Delete it.
Playlists
In C:\Documents and Settings\All Users\Applications Data\Microsoft\Media Index,
you will find a file with a DB extension. Delete it. As far as I can tell, WMP8 does
not store filenames in the registry. If you know otherwise, please let me know.