Both of these one trick ponies came in handy this week for me while many other I tried failed.
First is CDCheck. I had a problem recently with my SonyHandyCam which records Video to DVD. Two DVDRW's I just made had CRC errors and I could not copy them. I always make backups of them because 99% of the time they're children's home video and the two I had a problem with were my kids end-of-year plays/awards. So I went out looking for something to save them, tried all the usual things and programs such as DVDShrink, ISOBuster, etc. Set Nero to ignore disc errors but nothing worked. Then I cam across CDCheck, worked like a charm. Didn't fix the data but it did correct the CRC errors to allow for backup. It's a trial version, but if you Register you get a free serial code. Used a throwaway email address I use to cut down on spam.
CDCheck 3.1
http://www.softpedia.com/get/CD-DVD-Too ... heck.shtml
http://www.kvipu.com/CDCheck/userreg.php
Checks your source drive and tells you which files are corrupted
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.
The program also provides extremly fast binary compare for effectively checking that file transfers (burning, copying...) were accomplished successfully and alerts you of differences. Besides that CDCheck supports creation and checking of MD5, CRC-32, SHA... hashes in SFV, MD5 and CRC file formats.
This provides means to check backups for possible loss of information or verify file transfers where comparing is not possible (transfer over mail etc.). The program can be used with all local or removable media (CDs, DVDs, disk drives, floppy disks, ZIP drives, USB keys...) visible by the operating system (Windows Explorer) and also with audio CDs.
In addition CDCheck also gives detailed information (manufacturer, type, capacity...) about inserted CD or DVD media.
Here are some key features of "CDCheck":
· hash creation and checking
· file/directory checking
· binary file/directory compare
· file/directory recovery
· audio CD support
· data DVD support
· CD/DVD information with media ratings
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