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I have a USB flash drive, which I made bootable for use as an anti virus disk. After formatting the drive, whenever I copy some files to it, it shows an error:

The disk cannot be written to because it is write protected. Please remove the write protection from the volume in drive \Device\Harddisk3\DR13.

Write Protect Error

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there many things you can try to get rid of this bug:

  • try to locate a switch on the usb stick and use it (i guess you probably did that already)
  • eject the usb stick and put it back in and look if this has fixed the problem

now to more advanced stuff:

  1. format your usb stick using low lever formatter
  2. the partition and all data on the stick is now lost you need to create the partiotion again: press win+r and run diskmgmt.msc. Select your drive choose ntfs and format it
  3. check if it helped

so and the last thing you could try:

  1. press win+r and run regedit
  2. go to HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\
  3. find the key "StorageDevicePolicies" if it does not exist create it
  4. now create a new DWORD "WriteProtect" and set the value to 0

i hope this will solve your problem

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