not sure what you really mean about that. if you mean just simply kill processes than this
Quote (carteblanche @ Nov 29 2012 08:26pm)
Task Manager.
however if you mean removing all services and programs that run in the background that bog you down and do nothing.
this site might be some help to you, you can disable tons of services that virtually do nothing for a gaming computer.
http://www.blackviper.com/he posts what each service does and has profiles that you can download to disable certain ones, I am currently using his "SAFE" profile and never looked back.