Be patient. The helpers here are volunteers & we don't spend 24 hours a day on the computer. You could always try using the forum search to look thru old threads.

Delete LW's preferences folder when LW's properly closed. See point 3 here & also point 2 if you've used older versions of LW in the past (there could be a folder in either location).
Fixes for LimeWire
This will kill all of your settings within options, you'll have to go back through afterwards & reset things.
LimeWire Pref Folder in Vista

In LW tools > options > advanced > firewall config. Change LW's listening port to 64049 (or something in the range of 49152 - 65535) > apply > ok.

Some people have also had problems with the latest Java versions. You could try this older version & see whether that makes a difference. Use the JRE offline installer & remove any other Java versions before you install this one.
Archive: Download Java 2 Platform Standard Edition (J2SE) 5.0 Update 11

Check out these threads about Vista & McAfee:
“No Compromise” Vista-McAfee-Limewire Solution
Can't Connect With VISTA!

What is the model of your surfboard?