ilovemyheckler & cindyh,
 
Check out this thread for heaps of different fixes to try:  
If LW Will Not Connect 
Start off by deleting LW's preferences folder. Next to try is deleting/replacing gnutella.net file. Otherwise, go through the rest of the fixes.  
If nothing helps & you're still stuck, please post back with your system details - that help thread has info about which details we need
