MP 9.0 and DVD Playback - Digital Copyright Error...

[justin]

>-----Original Message-----
>Okay...I have been playing DVD's on my WinXP pro machine
>for quite a while now. For some reason now, I can play
>the DVD through the ATI DVD player, a downloaded trial
>version of PowerDVD, etc. The problem is that Windows
>Media player gives me the error:
>
>Windows Media Player cannot play this DVD because a
>problem occurred with digital copyright protection.
>
>Hmmmm...I have been playing these DVD's for a long
time.
>So how did MP 9.0 get so screwed up? I downloaded MP
9.0
>from microsoft and re-installed...no luck. Uninstalled
>and re-installed the ATI DVD player...didn't help. I
can
>still play it with the ATI application, but since MP
>won't play it, Interactual 2.0 will not either (throws
>CSS errors). This is really annoying with you insert a
>DVD that uses interactual and it won't play.
>
>Has anyone had this problem? Do you know how to fix
it?
>I have a feeling that there is a screwed up registry
>entry somewhere for Media Player, but I don't know where
>to look, etc.
>
>Any help would be greatly appreciated. You can send me
>an email by removing "REMOVETHIS" from my email address.
>
>Thanks,
>Matt
>.
>