I've been using my NEC 3500AG with no problems, updated to the liggy and Dee beta 9, still no problems, all working fine.

This morning I installed MusicMatch Jukebox to backup an Audio CD, before it ripped the files, MMJ said it was configuring the CD ROM, then it ripped the files.

But, since then, i've not been able to get ANY copyrighted DVD's to even be recognized in my NEC. All other discs seem fine, i've tried back up DVD's, data DVD's, etc, all working fine. When i put in a copyrighted DVD, it looks at the disc, clicks a few times, searches the disc for a minute or so, then stops, and when i look in software or in the drive using explorer, there's nothing there, 'media not present'.

I've tried a good few discs, so it's not a problem with the discs, i cleaned the heads, uninstalled the drive and reinstalled, even reflashed. All to no avail.

I have no idea what has happened, or more importantly how to fix it.

ANyone?

Since software such as that does not have access to the firmware of the cd or dvd, the only logical conclusion is that somehow, it altered your operating system. The question is: What did it do?

Remove Music Match and clean up your registry. It's best not to add multiple burn proggies to the PC. You could also try system restore.