HOW TO DISABLE THE SHUTDOWN, RESTART SLEEP AND HIBERNATE BUTTONS ??

It is actually possible for a system administrator to prevent users from using the Shut down, restart, Sleep and Hibernate options normally accessibly through the Start Menu and Ctrl+Alt+Del keys.

There are Hidden features available on almost all window platforms which can sometimes be invaluable for system administrator who want to restrict misuse of computer placed in airport lounges, offices, libraries and public locations. Pranksters who want to play classic pranks on their friends can also exploit this simple registry tweak. In order to disable the menu..

STEP 1: Open the Local Group Policy Editor by clicking on the Start Orb Button and typing gpedit.msc in search option.

STEP 2: Browser to User Configuration > Administrator Templates > Start Menu and Task bar and in the Right pane double click on the Remove and Prevent Access to the Shunt Down, Restart, Sleep and Hibernate command option.

STEP 3: Now you will be given the option to disable the use of the Shut Down, Restart, Sleep and Hibernate commands. These options will disappear from not only the Start Menu but also from the Ctrl+Alt+Del keys.