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I have some data in my one of the folder. I am Just copy To other Place even in Pendrive but in that Messege showing cyclick redundanc check.I know its probrolm when data is not reachable or found.still I want to Transfer the data.

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Is that an error? If so, can you copy the exact error here? (Click inside the window, press CTRL+C and then edit your question and CTRL+V at the end.) – Tom Wijsman Aug 1 '10 at 12:35
up vote 0 down vote accepted

CRC errors usually mean that something is wrong with the drive, most likely from pulling it out too early.

You should try running chkdsk. Here's a good guide that works for Win 7 and XP:

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Thanks I will try. still i am accepting your answer – user30780 Aug 2 '10 at 15:07

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