I'm not sure this is exactly my issue. After a update yesterday or the day before cortana popped up and wanted me to set her up, I tried to cancel it but she apparently butted into my life anyway. now my computer sometimes runs very slowly and takes a long time to respond to commands, I have checked task manager and it doesn't look like anything is memory hogging or pegging the cpu (I've got a amd 9370 something like 3.4 ghz would be tough for anything to peg it out I think). I tried the trick above and it said access denied. Could this be some sort of virus? My windows button no longer works AT ALL I can right click on it and get some stuff but the list of programs no longer pops up and one of my games that runs full screen windowed is acting weird the task bar does not go away as it usually does and a few things aren't working right in the game. I've rebooted a few times no change, I took it all the way down to cold, no change. I do not currently suspect hardware issues but I have unplugged the usb hub and put it in a different plug as that "should" force driver reloads for the things on the hub anyway. What next? a Verify perhaps? Sometimes I just want to buy a mac and toss this thing out the window.