Unfortunatley you purchased your version of limewire from a scam site as limewire basic has always been free and Pro has always cost $18.88US...
Just check and see if your shared folder is still there with your music in it...
C:\Documents and Settings\your username\Shared
If it is not there try the tips in this thread...
http://www.gnutellaforums.com/open-d...ry-advice.html