I notice my computer just sitting uses around 7% cpu usage. but when i use the computers at school they sit at 0% i am running windows 7 and there computers run xp so obviously Desktop manager needs a few recources . But the issue is that the "sytem process" pops on and off using around 6 % of the cpu. I have no clue how to find what part of the system is using that any ideas on how to find out?