Update your Java & also delete LW's preferences folder when LW's closed. Points 2 & 3 below have instructions
Fixes for LimeWire
This will kill all of your settings within options, you'll have to go back through & reset things afterwards.

How many files are you downloading at once? If it's lots, limit it to just 1 or 2.
Try decreasing your upload & download bandwidth a bit, too.
Try changing skins.

Otherwise, answer the questions that Grandpa asks below...that info might help someone (not me) to find out what's going on.
http://www.gnutellaforums.com/showpo...9&postcount=12