CDCheck is a great recovery tool for recovering files from DVD's/CD's. If you've ever got that "Cyclic Redundancy Error Check" message while trying to copy files from DVD's/CD's, you'll know what I'm talking about...



CDCheck may be evaluated for 30 days, after which, you must purchase a license, but...

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If you decide not to purchase a license, you should request Free license from CDCheck ONLINE! (you must register as CDCheck ONLINE! user, activate account, login to CDCheck ONLINE! repository and request free license).

Here's a screenshot of the program...



I just used the program to recover a .zip file from a DVD that couldn't be copied in the usual way, yay!