WW, your LW is broken
No, seriously... guess you could try deleting the preferences. That might give it a kick!

HouseOwwns, if you also still can't get the chat box to appear, try deleting the LW preferences folder when LW's closed. See points 2 & 3 here
Fixes for LimeWire

Doing this will kill your settings within options, you'll have to go back through & reset things later