Hi Guys

Please let me know how to disable DEP temporarily in Windows 8:


I tried the below but did not work:


C:\bcdedit /set {current} nx Always Off


Then I would like to set it back to normal:


C:\bcdedit /set {current} nx OptOut



When I try, the following message appears:
"An error has occurred setting the element data. The value is protected by secure boot policy and can not be modified or deleted".