You might go here:
LimeWire Forums as some of the developers might be able to lend some advise. You could also try this, which is what I would do. I think your results would be much better. See Link Below
OldVersion - Newer isn't always better ! Version 4.12.3 or 4.12.6 are probably the most stable versions without the useless Bittorrent attempt. Hope this Helps.