Since FrostWire (FW) has been working is LW still not connecting? If no, then http://www.gnutellaforums.com/334494-post15.html
A bit of mucking around; find the FW preferences folder: How to delete your FrostWire Preferences folder (click on link) but do NOT delete this folder. Open this folder. Find Gnutella.net file. Copy it. Paste it into the LW Preferences folder replacing the 'older' LW Gnutella.net file. If you are unable to paste it directly into it, then make a copy of it & drag & drop it across into it. Perhaps remove the older LW gnutella.net file first from the LW prefs folder. LW prefs folder is found here: http://www.gnutellaforums.com/window...tml#post183932 (do not delete the folder, just to let you know where to find the folder, & open it.)

ie: C:\Documents and Settings\yourusername\Application Data\FrostWire\gnutella.net & copy across to C:\Documents and Settings\*yourusername*\Application Data\limewire folder.