I missed that part.
You need some DVD codecs. You probably had some software , like Sonic
installed previously that handled this.You can find that and reinstall
it, or download the XP Codec pack:
http://www.xpcodecpack.com/
VLC media player will also solve this:
http://www.videolan.org/vlc/

On Wed, Jun 10, 2009 at 7:52 PM, Joyce A<[log in to unmask]> wrote:
> If that were the case, would I be able to view still pictures?  (I can...
>  It reads still photos on CD and DVD just fine!)  How would I test that?
>  Just replace the CD/DVD drive?  (Easy enough to do, even for a non-tech ol'
> gal like me!)
>
> The error message I keep getting is "Windows Media Player cannot play the
> DVD because a compatible DVD decoder is not installed on your computer" --
> which of course lead me to believe that it was a software problem but Russ
> asked me to post the problem here.  I've asked in various forums and I've
> asked Microshaft, uh, _-soft_ <ducking and grinning>; I've haven't even come
> close to a solution as yet, besides replacing the drive.  I'm not exactly
> holding my breath to hear back from Microshaft either...
>
> Yes, there used to be a partition, behind which was all the backup Windoze
> stuff...
> Joyce in SE Ohio

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