[ubuntu] Acidrip Can't read DVD track. Faulty Disc?

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http://ubuntuforums.org – Attempting to rip "Cars 2" and keep getting this error. Attempted to rip from both of my dvd drives, restarted the computer, and checked for updates, nothing seemed to work. Any ideas? Audio stream: 124.666 kbit/s (15583 B/s) size: 108930528 bytes 6990.240 secs AcidRip message - Playlist completed AcidRip message - Encoding finished, hope it worked... AcidRip message - Reading DVD / file(s)... please wait AcidRip message - Can't read DVD track. Faulty Disc? I'm currently running Ubunut 12.04.10 MSI 760GM-P23 (FX) AMD Series Motherboard Kingston 8GB DDR3 1333MHZ DIMM 2 x8GB - (Hardware)