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Windows Thread, Data Error (cyclic redundancy check) in Technical; Evening all, I have been receiving the following error when trying to copy some files off of a CD. Code: ...
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    Data Error (cyclic redundancy check)

    Evening all,

    I have been receiving the following error when trying to copy some files off of a CD.

    Code:
    Error Copying File or Folder
    Cannot copy filename: Data error (cyclic redundancy check).
    Google tells me this is a corrupt file, damaged media or hardware fault. I have tried the disc in another drive to receive the error again on the same file. I am assuming this is a corrupt file that's my problem.

    Google recommended I use a tool to recover the file; the program it recommended was http://www.softwarepatch.com/software/cd-recovery.html which is free for personal use.

    I've not used any file recovery software extensively before, does anyone have any recommendations?

    Thanks in advance!

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    zag
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    That error message simply means windows cant read the data from a CD, it might be worth trying the software solution, or trying it in a different drive. But most likely you have lost the data.

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    mac_shinobi's Avatar
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    Is the disc scratched or have any finger prints on it ?

    Also have you got a disc to clean your drive ?

    Short of that you can try the software approach but I haven't had much luck with it. The one I tend to use to recover data from a disc is iso buster :

    http://www.isobuster.com/

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    Geoff's Avatar
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    Gently cleaning the CD is worth a go as well.

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    yep, sounds like a dirty disc. Give it a clean!

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    RE

    Thanks for your responses, sadly I have tried it in several drives, cleaned the CD and tried the software approach.

    All return poor results, after cleaning the CD it does look like it has a very small dot of damage.

    Looks as though I've lost the data on this one!

    Thanks everyone for your input.

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    Resurface

    If the data is important you could try taking the CD to a DVD rental store, they usually have DVD/CD resurfacing machines and can probably polish the damaged bit right out of the clear underside. I don't know about there but in NZ it is around $3.50 to get them to resurface it for you.

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    RE

    @ SYNACK - thanks for that, I didn't realise it was possible. It isn't that important - nothing that can't be burnt again anyhow.

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    many a time ive took the disk out of the drive that a student has handed to me, looked at it to find i can see through part of it :\

    those cheap tesco's disks (althought hugely fantastic) can easily lose their recordable surface from the top.

    And that brings me to my top tip kids, store a cd face up, alot of people believe its best to put a cd on a table face down, so not to scratch the disk, whereas in reality the data is held almost at the top of the disk, and the bottom has a nice protective layer that the top lacks.

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    DVDs are better

    Quote Originally Posted by greenfieldsupport View Post
    many a time ive took the disk out of the drive that a student has handed to me, looked at it to find i can see through part of it :\

    those cheap tesco's disks (althought hugely fantastic) can easily lose their recordable surface from the top.

    And that brings me to my top tip kids, store a cd face up, alot of people believe its best to put a cd on a table face down, so not to scratch the disk, whereas in reality the data is held almost at the top of the disk, and the bottom has a nice protective layer that the top lacks.
    Yes you are correct the data is stored on the top layer of CDRs. You can pretty badly scratch up the bottom of the disk and just get it resurfaced but not the top. The data layer is actually just printed on the top so the only protection it gets is from the labeling paint/surface that they put on top of the data layer (microns thick).

    DVDs are far better in this regard as with all but the absolute cheapest of these the data layer is sandwiched between two bits of plastic and so are far more protected.

    @ plock - Your welcome

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