Probably because you were scammed. The only website where you should download is 
Lime Wire » Official Website & Free Download «. 
There is useful information in this link:  
http://www.gnutellaforums.com/open-d...ial-sites.html 
Good Luck 
 
Dan 
P.S. Limewire Basic is free. Try that one first to see if you like it.