Just wondered about this thing. It is in the dead center of the screen and looks like a tiny piece of a window, it changes from dark blue to a grayish blue when i click on/off of the dot (same colors as my windows). Can't right click it, can't do anything with it. Only shows up on the desktop background, not through other windows or anything.
I have rebooted a couple times, it disappeared a few minutes ago but then came back and isn't going away. Ran AdAware and Spybot and a Norton scan which didn't find anything. Attached a pic, this is really bothering me, can anyone help please?!