Try this for your problem of no search results.
http://www.gnutellaforums.com/showpo...23&postcount=2

If that doesn't help then delete LW's preferences folder when LW's properly closed. See point 3 below (also point 2 if you've used much older LW versions in the past).
Fixes for LimeWire
This will kill all of your settings within LW's options, you'll have to go back through & reset things afterwards

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