Shutdown shortcut hack (useful prank)

{1}Create a new shortcut on the desktop                     (Or anywhere really).
{2}When asked for the location, type the following:

Shutdown  -s -t 10 -c "Any message"                      (Best if message is short)
*The <10> can be changed to the number of seconds before shutdown*  

{3}When asked for file name enter any program you want to disguise it as.

{4}To change the icon to make it more convincing,
Right click--->Properties--->

{5}Press change icon

{6}Click on browse and select the target program

{7}Select the icon and voila!