Hi Fengtao,
Trying to make a backup of a Spongebob Squarepants DVD for the kids. It's Disc#2 of 3 of the complete first season. It gets about 94% done, and I get the error. This is with the latest 3.0.3.5

Task_1 failed! Error=400(100 0 42 160)

Thanks, and Peace!
Capt.