All the same, you should configure your firewalls to allow LW total access, instructions here:
http://www.limewire.com/english/content/firewalls.shtml & also
Configuring Norton Internet Security (click link) (note about Norton 2005 at bottom.)
Do this simple test for us. Using your browser go here:
http://www3.limewire.com:6346/ The page should say ‘Test Page was a Success’. What happens when you go there?
When you type in a search & press the search button, what happens?
By the way you can download th emanual here:
http://www.limewire.com/english/content/userguide.shtml (unzip it & open with Acrobat Reader - google it if you don't have it.)