Do you use iTunes? If not switch off your daap abilities you don't need it.

Are you sure you installed the english version LW or the international (multilingual) version installer. The international version demands Java 1.3 be used. But your Java is showing unknown source...

Try installing the Beta version 4.3.2 (preferably into a different account) http://www.limewire.com/english/content/beta.shtml

Oh I'm a bit slow