sounds like you need to re-install an mpeg-2 video decoder.
http://www.microsoft.com/windows/win...r/plugins.aspx or google
for some free ones.
"covps" <> wrote in message
news:F11545A6-37D7-4BBF-9B00-...
>I am running Vista Home Premium which I recently upgraded to Service Pack
>1.
> Since the upgrade when I play any DVD on my PC using Windows Media Center,
> the screen breaks up displaying multi-colours inter-mingled with the
> movie.
> The sound is OK. The DVD player was working fine before the upgrade! Any
> ideas?
>