Hi Rick,
The same thing used to happen under XP. Here is the Microsoft Knowledge
Base article that details the fix:
http://support.microsoft.com/kb/314060
--
Jane, not plain

64 bit enabled :-)
Batteries not included. Braincell on vacation ;-)
MVP Windows Shell/User
"Rick" <> wrote in message
news:...
> My sister purchased a new Kodak all-in-one printer last week and
> installed it on her HP Media Centre running Vista Home Premium. After
> doing so she could not play music CD's or DVD's nor would any other
> software disks run. Upon doing some digging with my coaching she
> discovered that the DVD-RW had disappeared from Windows Explorer and the
> Computer folder. However, it did show up in Device Manager but with a
> minus beside it. I had her try a few suggestions found in this News Group
> but with no joy. Finally she took it to a big box store and paid a tech to
> fix it. When she asked what he had done do solve the problem he told her
> he had removed the High and Low filters from the Registry. Is this a
> plausable cure or just a story for an unsuspecting customer?
> Thanks for your input
> Rick