Sounds like LW is trying to establish a lot of connections, hash a lot of files or is having Java problems. If you are using the latest version of LimeWire, might be a good time to trash all the old prefs and get a clean start. Try cleaning out your Incomplete folder and inspecting the Shared folders.
For a clean install, search for any visible or invisible files containing "limew"
See here for more
http://www.gnutellaforums.com/showth...threadid=22359