1. Open Start Menu >> Run, type regedit and press Enter, this will open the registry editor.
2. Navigate to the following path:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\StorageDevicePolicies
Note: If
the registry key StorageDevicePolicies does not exist, you will need to create it manually.
3. Double click the key WriteProtect in the right window and set the value to 0 in the Value Data Box and press OK button
4. Restart your computer and try copying files into your USB drives.

command prompt eken try kare nedda? (attrib -s-h-r) then delete it through cmd

