which OS are you using??

Sounds like you're infected...before you uninstalled LW, was it constantly starting? Check out the thread below for a couple of different fixes.
http://www.gnutellaforums.com/genera...s-options.html

Also try the fix that worked for sirios in the thread below.
http://www.gnutellaforums.com/open-d...sible-fix.html

If nothing helps, go to one of the malware removal sites listed in the first thread