I don't know what "dling the Jum build of Limewire" means, but when I go to that link, there isn't enough info to tell me whether it's applicable to OSX 10.2.6 or an earlier version, and in any case it sounds risky (bleeding edge!).

C'mon now, Limewire. If you're gojng to sell us the "Pro" version of your software, provide a product that works, even (or especially) when we "upgrade."