lol I ain't even a window's user per se, but might I suggest 
-ad-ware 
http://www.lavasoftusa.com/software/adaware/
Spy Sweeper 
http://www.webroot.com/wb/downloads/index.php
which should do the job for you &  give you fairly accurate results. Certainly mroe accurate than some! Good Luck! 
 
By the way I hope you got LW: from here: 
http://www.limewire.com/english/content/download.shtml  otherwise god knows where it came from but a scam version by a scam site.