Turn Off System Protection For a Disk

By default Windows 7 enables System Protection. If you need to turn it off, here is how to do:

On the Desktop, right click on the Computer icon and choose Properties --> In the left pane, click the "System protection" link --> In the System Properties window, highlight the partition which you need to edit and Click the Configure button --> Check "Turn off system protection" in the setting window and click OK button --> Click Yes button to confirm.