First, if you haven't already, remove the case cover from the computer and use compressed air to blow out all the dust from around the processor, the heatsink, the power supply, and all vents and fans.. This will help the computer run cooler and prevent premature shutdowns, etc. Next, Click on the link below and follow all the steps to clean out some of the junk on the computer and eliminate unnecessary startup programs and services..

Cleanup Steps

Once you've followed ALL of the steps above, let us know how the computer is running and let us know how it's running.. When you post back, please give us more information about your computer.. Laptop or desktop? Make and model? Amount of RAM installed? Processor type or speed?

Hope this helps and let us know more.

Grif