I really don't know what it's for but i have it installed and it runs in the background and my computer remain at System Resource 91% free User Resource 91% free Gdi Resource 98% free The only time it drop under 90% is when i have internet explorer running other than that i don't think its a resource hog and i have my computer on sometimes 16 hrs a day.I think it other software that adds to Wmi to help make it lose it resources.