Removing tons of startup items (explorer addons)

[mraeryceos]

When I disable all of the startup items:

startupitems.jpg

nothing happens. Everything works as before. These startup items are listed in Sysinternals Autoruns when "Explorer Addons" is checked and the view is refreshed. Also the same with "winlogon notifications" section of startup items: disable them all and everything I use still works perfectly. Is there something I am missing here? What purpose do these startup items serve?

[mraeryceos]

Info of this sort is useful:

http://www.greatis.com/webhelp/regrun___de...indows_core.htm