Yes, you should if you got it from
http://www.limewire.com/english/content/download.shtml
BUT, I hope you weren't one of those who got scammed by lookalike sites into paying for the Free version of LimeWire
if so, some people managed to get their money back: follow the links posted in
http://www.gnutellaforums.com/showth...971#post137971