if you have vista home premium or ultimate it comes with the decoder
preinstalled..
but see if
www.gomplayer.com can play the .vob files that are in the dvd in
the ts_video folder
"toneywho" <> wrote in message
news:468720E8-D3E1-47F3-9BB9-...
> I get this message when I try to play a movie DVD: "Windows Media Player
> cannot play this DVD because there is a problem with digital copy
> protection between your DVD drive, decoder, and video card. Try installing
> an updated driver for your video card." My driver is updated. I seem to
> remember I was never able to play DVD's with XP until I downloaded some
> third party software. Is it the same in Vista? Is there a good (free)
> decoder available on the internet? Or do I have to buy one. TIA