How to Disable Turn off Option and ALT+F4 option
Just Follow the steps below.
REGEDIT->HKEY_CURRENT_USER->SOFTWARE->MICROSOFT->
WINDOWS->POLICIES->EXPLORER
After this go to right side and by right click create
NEW DWORD VALUE WITH NAME NoClose and after creating click on it and give Value Data 1.
And restart your pc..Now your Turn Off option is disabled..To enable it again..Go to that directory by regedit ..And easily delete that created NoClose and Log off Your User and Log in again.your turn off Again Working.
