I've been backing up DVD's for a while now using DVDFab Decrypter, DVD Shrink and DVD Decrypter. I've never had any trouble until recently.
Not too long ago I tried to back up two very dirty disks. I tried to clean them before putting them in either of my DVD drives but I was unable to succesfully rip either to my hard drive with DVDFab. Since then, I'm having a very difficult time ripping anything to my hard drive. Typically DVDFab will start working correctly but eventually get to a certain point where it essentially freezes.
I've also tried to back up already copied DVD's that look and play flawlessly and DVDFab still hangs up.
What can I do to get everything to start working again?