Help....encoding help!

hi,
i’m using DVD Shrink to backup a dvd data,
while middle of encoding process (69.9%)
this error come up “Data Error (cyclic redundancy check)”

what is that mean ?
how to fix it ?
anyone pls help…

First rip it to hdd, then transcode!

DVDShrink is an old application no more supported and thus cannot cope with new encryptions. Get RipIt4Me and use DVDShrink after to remove what you do not want.
http://www.ripit4me.org/download.html