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Posted on 2:58 PM by Hamid and filed under

How to Copy a File and Ignore Cyclic Redundancy Check Errors

Cyclic redundancy check errors are common when trying to read data from a damaged CD or DVD. Usually the computer becomes less responsive and you hear repetitive seek noises from the drive for up to a minute. And then, if you are using Windows XP, you will encounter "Cannot copy... Data error (cyclic redundancy check)". The copy process is then aborted with no option of retrying to read from the damaged area or skipping over it. This is very frustrating when copying large files because you must try copying again from the beginning. Follow these steps to copy a file from a damaged disk.

Steps

   1. Launch JFileRecovery, a free cross platform file recovery utility (link provided below).
   2. Specify the source file that needs to be recovered.
   3. Specify a destination file to copy the file to.
   4. Click "Begin Recovery" and wait for the recovery process to complete.
   5. The location of damaged parts of the file will be indicated and you may retry these areas.
   6. The destination file can now be used and copied without CRC errors.

Tips

    * When copying a large file that fills the entire CD you can use JFileRecovery to gain insight into the location of the damaged region of the disk. CDs are written from the inside out. Use the diagram in JFileRecovery to determine the location and concentrate on removing scratches from that region.
    * You can retry reading damaged regions of the CD again after cleaning.

Warnings

    * This technique should only be used for multimedia files such as music and videos and not executable files. A few bad bytes in video and music files might result in a small glitch in playback.

Download

http://www.jfilerecovery.com/

First install it : http://java.com/en/download/manual.jsp

Any doubt feel free to ask me, I am 100% it will work.

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