Try uninstalling your Java from the add/remove programs and then re-install the JRE offline version....(4th one down)
Java SE Downloads
Then uninstall Limewire using the uninstaller which is found in start > all programs > limewire...then re-install it using the offline installer...
http://www.limewire.com/english/cont...oadfree2.shtml
If that does not help with your problem try deleting your preference folder...
Fixes for Limewire when LW isn't operating as it should