Mod Aide modpack ATLauncher DNS FTP3

Salut, j'ai tout installé (plus un mod pour éviter les conflits d'id), et j'ai un long message d'erreur dans les logs :

[29/7/2014 16:00:05 PM] [SEVERE] [ForgeModLoader] Unable to launch
[29/7/2014 16:00:05 PM] java.lang.reflect.InvocationTargetException
[29/7/2014 16:00:05 PM]at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
[29/7/2014 16:00:05 PM]at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
[29/7/2014 16:00:05 PM]at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
[29/7/2014 16:00:05 PM]at java.lang.reflect.Method.invoke(Unknown Source)
[29/7/2014 16:00:05 PM]at net.minecraft.launchwrapper.Launch.launch(Launch.java:131)
[29/7/2014 16:00:05 PM]at net.minecraft.launchwrapper.Launch.main(Launch.java:27)
[29/7/2014 16:00:06 PM] Caused by: java.lang.NoClassDefFoundError: net/minecraft/world/World
[29/7/2014 16:00:06 PM]at net.minecraft.client.main.Main.main(SourceFile:37)
[29/7/2014 16:00:06 PM]... 6 more
[29/7/2014 16:00:06 PM] Caused by: java.lang.ClassNotFoundException: net.minecraft.world.World
[29/7/2014 16:00:06 PM]at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:186)
[29/7/2014 16:00:06 PM]at java.lang.ClassLoader.loadClass(Unknown Source)
[29/7/2014 16:00:06 PM]at java.lang.ClassLoader.loadClass(Unknown Source)
[29/7/2014 16:00:06 PM]... 7 more
[29/7/2014 16:00:06 PM] Caused by: java.lang.IndexOutOfBoundsException: Index: 0, Size: 0
[29/7/2014 16:00:06 PM]at java.util.ArrayList.rangeCheck(Unknown Source)
[29/7/2014 16:00:06 PM]at java.util.ArrayList.get(Unknown Source)
[29/7/2014 16:00:06 PM]at mcp.mobius.mobiuscore.asm.TransformerBase.applyPayloadBefore(TransformerBase.java:113)
[29/7/2014 16:00:06 PM]at mcp.mobius.mobiuscore.asm.TransformerWorld.transform(TransformerWorld.java:96)
[29/7/2014 16:00:06 PM]at mcp.mobius.mobiuscore.asm.CoreTransformer.transform(CoreTransformer.java:37)
[29/7/2014 16:00:06 PM]at net.minecraft.launchwrapper.LaunchClassLoader.runTransformers(LaunchClassLoader.java:274)
[29/7/2014 16:00:06 PM]at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:172)
Quelqu'un peut m'aider? merci d'avance.
ses normal moi sa la faite a mon frere pis lui i las juste désinstallé pis réinstaler