.jar launcher problem

[zlancer1]

when i click on the .jar launcher file for mac/linux, it immediately says "check the console for possible error messages", what should i do? I have Mac OSX version 10.5.8

[Cheap Shot]

You should probably check the console for possible error messages. Just a hunch.

[zlancer1]

sorry, im not very good with computers,

it gave me this error:

3/19/12 1:59:44 PM [0x0-0x1665664].com.apple.JarLauncher[95641] at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:375)

and i have no idea what that means

[Cheap Shot]

http://forums.technicpack.net/index.php/topic,3520.0.html

Use that thread to get me more info and I'll help. Read everything there. Links tell you how to find the information it asks.