Sorry to say .. you have bought from a scam site.
see
http://www.gnutellaforums.com/showth...threadid=28751
Try to stop your payment ... probably too late or get your money back from your CC company. this is Fraud.
Delete all the stuff of your computer that you have "bought as it may well contain spyware etc. and get Limewire basic for free at
www.limewire.com. If you like it you can upgrade to pro for US$ 18.88