1. Try reinstalling Java. ie: Go to apple website & get the manual standalone offline installer. If problems installing, go to Receipts folder & remove last Java 5 (1.5) version listed; Receipts folder sample image. I've a suspicion there's something wrong with the online installation of Java. But we can only try things to find out if this is the case. Also, do a safe boot & repair permissions after installing; SAFE Boot & Repair Permissions which should be done after installing any new software/updates.

2. These may also benefit: (a) Problems with the search, __ (b) Hostiles List

3. Another alternative I can think of that has worked for some windows users is ... install FrostWire, open it & see if it connects. If yes, close it down. Then try opening LW again. Tell us if this works.