I am having problems with the backgound of my computer. The backgound is blue and when I right click and click 'properties' and then 'desktop' the option always chosen is 'none' with a circle and a line through it. It blocks out the 'position' option as well. Also before this happened, my task bar kept popping up that I had virus's on my computer and that it was downloading antispy software. I have ran spybot and avg software and it is still there. Any help would be appreciated.