I recognize that crc errors may be caused by bad (i.e. dirty, scratch, warped) DVDs, but here's a new problem. In my attempt to copy movies I have been able to try multiple copies of the same DVD, and in all cases I will get crc errors (reported by DVD Shrink) at the same point in the disks. In other words, say the disk I'm trying to copy is Mona Lisa Smile and I have three original versions (perhaps my own copy, my sister's copy, and a friend's). All three of these original discs will report crc errors at 71% disk analysis. Another catch, however. Those crc errors were all reported repeatedly by my Plextor PX-116A DVD-Rom drive, I tried one in my Plextor PX-708A drive and it worked! A number of other movies, like X2 for one, are yielding crc errors in similar fashion. By the way, when these crc errors occur the drive starts making these loud clicks and whirling noises, doesn't sound good for the drive and I'll be ticked if this is something protection scheme that can actually harm your DVD drive. I was thinking this could be caused by my relatively new DVD-Rom drive going bad, but the fact that the discs all err in the same postion casts a little doubt on that. Thoughts anyone???