Microsoft Windows [Version 6.0.6001] Copyright (c) 2006 Microsoft Corporation. All rights reserved. C:\Users\matt>java -Xms512m -Xmx1024m -cp "%APPDATA%\.minecraft\bin*" -Djava.lib rary.path="%appdata%\.minecraft\bin\natives" net.minecraft.client.Minecraft Exception in thread "main" java.lang.NoClassDefFoundError: net/minecraft/client/ Minecraft Caused by: java.lang.ClassNotFoundException: net.minecraft.client.Minecraft at java.net.URLClassLoader$1.run(Unknown Source) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(Unknown Source) at java.lang.ClassLoader.loadClass(Unknown Source) at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source) at java.lang.ClassLoader.loadClass(Unknown Source) Could not find the main class: net.minecraft.client.Minecraft. Program will exi t.