Are u sure w7 cant use CF ? i tried on my working lappy.. a virus supplier ...i duno previous user how to use it... i just c cleaner one time..can found many useless folders or files or system file and once i clean it..i gt 2gb free space bak..=.=

but so far i use CF ...ok wa..i just dl from website and run it in normal mode...let it run and i just meeting with colleageus ..after it..restart n c cleaner again..case settle...better than use KAV which cost me more than 2 hour to full scan ....