You are probably trying to download fake files...
This sticky will inform you of what they are and how to avoid them...
http://www.gnutellaforums.com/downlo...h-results.html
This will help also...
http://www.gnutellaforums.com/limewi...ind-music.html
Also you could try this...
Go to your connections Tab in limewire, if it's not showing up go to Veiw > Show/Hide and make sure the connection tab has a tick next to it...
Then click on the Hosts and remove them and let Limewire search for some more...