Bad luck! I hope this will help
http://www.gnutellaforums.com/showthread.php?t=49851 Use the links at the bottom and I hope you get he files back .. the programme mentioned will find the files if they are there for free, but I believe you need to pay for the extractor to work
... and somehow you managed to stray in to the Foxes lair which is the Phex forums. Next tome go to Gnutella forums>current Gnutella Client Forums>Limewire cross platform.