you mean this 'whos online' crap box that keeps popping up in the bottom right??
yes, thats annoying.
its not a chat room box, but i dont know What its for.
I'm not seeing any sig pics ...from anyone.:noidea:weird.
BaZing!!!try clicking on that icon to the right of the who's online box. the icon looks like a gear and is chat options. check the box that says disable popup notifications.