I recently left my laptop on all day without touching it at a friends house, and when I came back to it, I could not click on any windows. So doing ctrl-shft-esc, I brough up the task manager, and the only way I could navigate through it was by keyboard, both my wireless and built in mouses not working. I restarted explorer and such, and it worked for a little bit, but then it went back to not letting me click on windows, and whenever I tried to click on them, it showed them unhighlighted, like some giant invisible window was open in front of them that I was clicking on (presumably some windows explorer monster). Restarts don't work, as the problem comes up every time I reboot windows. And it goes away after killing windows explorer enough times. Any ideas as to what this is? My laptop is fairly new, running Windows Vista Home 64 sp2.
Thanks for any input!