Just one word change so you can see what affects this.
http://www.google.com/search?hl=en&lr=&q=Missing+Shutdown+on+start+menu
and there is also grey out 'shutdown' button when I press ctrl-alt-del
Windows ME, NAV 2005, Spybot sd, Adaware se, spywreblaster.
What causing this and how can I fix it..?
Thank You

Chowhound
Comic Vine
GameFAQs
GameSpot
Giant Bomb
TechRepublic