You could try IsoPuzzle.
... (edit) or, if you don't actually need to recover the lost sectors, try something like DVDFab HD Decrypter, which may allow you to skip the bad sectors and produce a workable DVD that won't lock up your player.
You could try IsoPuzzle.
... (edit) or, if you don't actually need to recover the lost sectors, try something like DVDFab HD Decrypter, which may allow you to skip the bad sectors and produce a workable DVD that won't lock up your player.