Enable or Disable Windows File Protection.
Go to START->RUN and type REGEDIT. This will open the registry editor. Find the following registry key:
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon]
Look for the key “SFCDisable” and double click on it.
Set the value to one of the following:
- 1 – disabled, prompt at boot to re-enable
- 2 – disabled at next boot only, no prompt to re-enable
- 4 – enabled, with popups disabled
- ffffff9d – for completely disabled
- 0 – Enabled