You could email
service@limewire.com & explain your ordeal. If possible, try to mention approximately the email you had; eg: milly?@hotmail.com & also see if you can find any transaction details from the time you purchased pro. Of course you paid US $18.88 right? If not, then you didn't get your version from the official LW site.
http://www.limewire.com/english/content/home.shtml Some people think ahead by bookmarking their personal downld page. If you never had a personal downld page then you should see
http://www.gnutellaforums.com/showth...5&pagenumber=1