CDCheck is utility for prevention, detection and recovery of damaged files with emphasis on error detection. CDCheck supports DVDs.
It supports CRC files and binary compare. CDCheck can be used on all files visible by your OS which means all files that you can see in Windows Explorer (CDs, floppy disks, disk drives, ZIP drives...).
CDCheck reporting features tell you exactly where the problems are. Files on CDs, zip drives, USB keys etc. can get damaged in a number of ways, so the program helps you determine whether your data is safe before it's too late.