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Cyclic redundancy error? Just work, damn it!

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I was in the process of copying the files from the KCCI version of the Star Wars Holiday Special (off of MySpleen) onto a DVD-RAM when I get a message talking about a "cyclic redundancy error." What does that mean? Will I never be able to burn it? I'm using brand new rewritable DVD-RAMs, so it's not that they're broken or anything. What should I do?
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A cyclic redundancy error is a disc error, not an error with the files you've download. It's something with the DVD-RAM.

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Have you used this disc a lot? Maybe you could reformat it or try another one?

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I had this problem A LOT with one burner. I bought a new one and used the same exact discs....and no problem.
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There are two things that cause this error.
1. A bad burn
2. gunk or smudges on the business end of the disc.

If it is because of the first scenario, then you can kiss that data good-bye. It is virtually unretrievable. If it is because of the second, then there is hope. Usually all you have to do is wipe the disc to remove any obstacles that may be tripping the laser up. I usually wipe it down with 91% alcohol.

I've lost some good data because of the first scenario so I always use the data verification feature on the my DVD/CD writing software. If it comes back negative, I toss the disc and start over. If the software doesn't have a data verification feature, I copy everything from the newly burned disc back to the hard drive to test it.