I cannot do a shutdown without being prompted for root's password.

view full story

http://forums.fedoraforum.org – Running Fedora 17 with Gnome 3.x. I normally don't use the lock desktop feature, but the one time that I did recently, I was unable to shutdown the system. A dialog box popped up stating that there were others still logged into the system, therefore requiring me to enter root's password to proceed with the shutdown. For the most part this happens everytime that I want to powerdown, with the exception of a couple of times. I have in the past cancelled out from the dialogue which will log me out. I then switched to another virtual console (Ctrl-Alt-F3), logged in as root and did a "who&quo (HowTos)