Minecraft Forums

Whenever i try magic launcher on 1.5.2 it will give me the following message. I am not using any mods at the moment and it will work on 1.6.2 im not sure whats wrong and any help would appreiciated.Thanks.

*** MagicMinecraftLauncher 1.1.7 ***
LCP: ;C:\Users\Patty\AppData\Roaming\.minecraft\versions\1.5.2\1.5.2.jar;C:\Users\Patty\AppData\Roaming\.minecraft\libraries\net\minecraft\launchwrapper\1.5\launchwrapper-1.5.jar;C:\Users\Patty\AppData\Roaming\.minecraft\libraries\net\sf\jopt-simple\jopt-simple\4.5\jopt-simple-4.5.jar;C:\Users\Patty\AppData\Roaming\.minecraft\libraries\org\ow2\asm\asm-all\4.1\asm-all-4.1.jar;C:\Users\Patty\AppData\Roaming\.minecraft\libraries\net\java\jinput\jinput\2.0.5\jinput-2.0.5.jar;C:\Users\Patty\AppData\Roaming\.minecraft\libraries\net\java\jutils\jutils\1.0.0\jutils-1.0.0.jar;C:\Users\Patty\AppData\Roaming\.minecraft\libraries\org\lwjgl\lwjgl\lwjgl\2.9.0\lwjgl-2.9.0.jar;C:\Users\Patty\AppData\Roaming\.minecraft\libraries\org\lwjgl\lwjgl\lwjgl_util\2.9.0\lwjgl_util-2.9.0.jar;C:\Users\Patty\AppData\Roaming\.minecraft\libraries\org\lwjgl\lwjgl\lwjgl-platform\2.9.0\lwjgl-platform-2.9.0-natives-windows.jar;C:\Users\Patty\AppData\Roaming\.minecraft\libraries\org\lwjgl\lwjgl\lwjgl\2.9.1-nightly-20130708-debug3\lwjgl-2.9.1-nightly-20130708-debug3.jar;C:\Users\Patty\AppData\Roaming\.minecraft\libraries\org\lwjgl\lwjgl\lwjgl_util\2.9.1-nightly-20130708-debug3\lwjgl_util-2.9.1-nightly-20130708-debug3.jar;C:\Users\Patty\AppData\Roaming\.minecraft\libraries\org\lwjgl\lwjgl\lwjgl-platform\2.9.1-nightly-20130708-debug3\lwjgl-platform-2.9.1-nightly-20130708-debug3-natives-windows.jar;C:\Users\Patty\AppData\Roaming\.minecraft\libraries\net\java\jinput\jinput-platform\2.0.5\jinput-platform-2.0.5-natives-windows.jar;C:\Users\Patty\AppData\Roaming\.minecraft\libraries\net\java\jinput\jinput-platform\2.0.5\jinput-platform-2.0.5-natives-windows.jar
MainClass: net.minecraft.launchwrapper.Launch
java.lang.ClassNotFoundException: net.minecraft.launchwrapper.Launch

Hello,

Click the setup button. Near the top should be a field labeled "Environment". This should be changed to 1.5.2.

a friend of mine fixed it, was something else... thanks anyway