Try d/l latest Nero and see if they play using Nero Showtime. I have had
same issues but Nero seems to always play them. Prob the pesky DRM stuff.

"Lakesidezx" <lakesidezx@nowhere.net> wrote in message
news:139462A2-4B06-4166-B67D-ECB8CBA7BD6F@microsoft.com...
> Im not sure where the problem lays with this.
>
> I have many movies that were burned from my VHS collection to DVD's over
> the past 5 years and I can't even get Vista to recognize that there is
> anything in the drive. So it won't play any of our movies that we have
> burned to dvd. It will play our store bought movies just fine though.
>
> When running XP I had no problem playing any of our VHS converted to DVD
> movies.
>
> Any solution to this?