You were scammed !! Read here:
http://www.gnutellaforums.com/open-discussion-topics/28751-membership-warning-beware-download-p2p-clients-only-thru-official-sites.html
Try to contact your bank, they should have a special department to deal with internet fraud.
LW has no "lifetime" membership. The Pro version includes 6 months update and tech. support. That's it !! And it costs only $ 18.88.
Download LW only from the official website:
http://www.limewire.com/
