When you're unable to move or copy a file because it's write-protected, your problem may stem from a number of causes. If the file is in use by Windows or an application, the file remains locked until you close the file or close the app.
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The file also may be write-protected through its security settings, in which case you must change the file permissions using an administrator account. If the file is on an external device, such as a USB drive or memory card, you may have to change the device's write-protect settings. 5.Select the 'Security' tab, and then click the 'Advanced' button.
If you see a message stating that you don't have permission to view the file permissions, click 'Continue' to access the file as an administrator. If you still can't see the permissions list, click 'Change' at the top of the box to take ownership of the file. Click 'Advanced,' click 'Find Now' and then select your account name from the list. Click 'OK' until you return to the Security tab, and then click the 'Advanced' button again.