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Some times pen-drive provide problem, for example while copying file displays the error message like ' Cannot copy files and folders, drive is write protected. Remove write protection or use another disk'. This message display while formatting also. Reason is virus. It changes the value present in Registry.This error is also called an ' Write protected'. Ok Now we see how to remove this 'write protected'.

Click Start, Then choose Run. Now Type the below code . Then press enter.

reg add "HKLM\System\CurrentControlSet\Control\StorageDevicePolicies" /t Reg_dword /v WriteProtect /f /d 0

Then Remove the pen drive and insert again. Now its work properly. OK would you like to give "write protected" to your pen-drive? If you like it means use the below code.

reg add "HKLM\System\CurrentControlSet\Control\StorageDevicePolicies" /t Reg_dword /v WriteProtect /f /d 1

After use the above code, if pen drive is not change to write protected means, Restart your system and then insert the pen-drive.

Still Problem in formatting pen-drive?

Click Start and choose Run. Type 'cmd' and press enter. Now type this command to format the pen-drive.

Format/x H: -----> Here 'H' is Pen-drive name.


Ok Try Different OS like Vista, Windows 7 etc. First Insert the pen-drive. DON'T OPEN / ENTER INTO THAT PEN-DRIVE. Right click in that pen drive icon. Click Format.