Maybe your computer is running hot because your programs are in need of repair. I went 15 years without running Disk Cleanup and in hindsight that probably wasn't a good path. 8^D For years stuff would fail at random, mostly Windows Explorer and something else, I could tell because mp3's wouldn't play, so I'd reboot. It got worse and my computer was running the fan a lot more. I run defragmenter a lot but when I finally ran Disk Cleanup a few months ago, the clouds parted, angels descended from on high and 'lo! so many unseen and unsuspected problems were fixed and the laptop ran quietly and smoothly. Mp3's included. It took an hour or so, so don't be in a hurry. I should probably do it again, Disk Cleanup is telling me I can get back a gig of disk space and the fan is bugging me.