Tiger users should update their Java to 1.5 / Leopard users check their Java version used if problems for better efficiency with LimeWire. You can tell the Tiger OSX 10.5 system whether to use java 1.4 or 1.5 About Java 2 Platform Standard Edition (J2SE) 5.0 Release 1 for Tiger. More instructions here Setting up Java 1.5. ___ For Leopard OSX 10.5 users, see Java Preferences for Leopard users, as swapping from Java 1.5 to 1.6 or back may fix your problem. Whichever OSX version you are using, make sure you have the latest Java version on your computer by going to Apple icon drop-down menu at top left of menu bar, choose Software Update. Using Apple's Software Update