So for the people who would like to know what there computer does in the back ground. Why Windows XP never had the hard drive working so hard and Vista and 7 do. It Is Called Indexing. The computer is keeping a log of what is on your hard drive so when you run the search from the start menu and the “My Computer” Window it Won’t take as long to find the files you are looking for. It is to make it “look Like” Your computer is running faster than it is.. Just another Microsoft trick.