JMan on 18 September 2007
LOL! Now it's a bit broken 
Anyway drivecleaner is spyware, possibly received from a flash or an activex control:
http://www.spywareguide.com/spydet_3150_drive_cleaner.html
here's how to remove it:
http://techrepublic.com.com/5208-6230-0.html?forumID=101&threadID=224786&messageID=2248558
(note that there is now a 2007 version of drivecleaner, so you may want to lookup instructions for that as well)
sometimes drivecleaner is a result of a vundo infection:
http://www.bleepingcomputer.com/forums/topic18610.html
