Over the last few months or so my computer has been going really slow. Ive scanned it with AVG, nothing there. Ive scanned it with spybot again nothing there. Ive defragmented the machine with no luck. When I turn the computer on it seems to be really struggling and when I go to load my ISP again it takes ages to clarify the password etc. It used to be really quick. Its doing my head in. Ive still got 76% memory left. Any ideas would be greatly appreciated.