I am running Windows 8.1. I can open the Control Panel, but when I point to the right side of the screen, and the "Settings" icon appears, and then "Change PC Settings", I click it and nothing happens, other than just a blank screen the color of my Windows theme. It just sits like this. If I tap the mouse, it flashes back to my Start screen. I am quite crippled because of this. I check out the Microsoft Support forums and they say to just create a new user. Well, first of all, that won't fix the actual problem, and secondly, I can't even create a new user because when I try doing so under Control Panel, it tries taking me back to Settings and Settings won't open.
(Which brings me back to this question, why am I still using Windows? lol...)