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Two more examples: Mr. Woodcock (2007) yields DEBUG: Code 0 at B`ut4y]!X\p5gw'4V:jX:121266097. Captain America - The First Avenger (2011) yields DEBUG: Code 0 at #5Q.cQ`>r,#pAMVd=%ky:121266097. So maybe the 121266097 really doesn't mean anything but it sure would be nice to figure out why these 5 DV...

It must be a bug. I see the exact same failure with multiple discs on different computers, different drives, and different versions of MakeMKV. The digits after the ":" are identical "121266097". This is what I get for Spider-Man: DEBUG: Code 0 at r79-F\`Qopn&7y,}?R%):1212660...

I believe I'm also seeing a problem related to RipGuard. In my case, RipGuard seems to be preventing MakeMKV from making a Backup from DVD. It gets very near the end (within a few hundred kB of the total claimed, which is about double what it should be) after MANY RipGuard notices before failing. I ...