You were scammed !! Read here:
http://www.gnutellaforums.com/showthread.php?t=28751
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/ 