j'ai enfin trouvé :
Mods loaded: 1
ModLoader Beta 1.7.3
Minecraft has crashed!
----------------------
Minecraft has stopped running because it encountered a problem.
If you wish to report this, please copy this entire text and email it to
[email protected].
Please include a description of what you did when the error occured.
--- BEGIN ERROR REPORT e9df3db --------
Generated 19/07/11 20:16
Minecraft: Minecraft Beta 1.7.3
OS: Windows Vista (amd64) version 6.0
Java: 1.6.0_26, Sun Microsystems Inc.
VM: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Sun Microsystems Inc.
LWJGL: 2.4.2
OpenGL: ATI Radeon HD 4850 X2 version 3.2.9551 Compatibility Profile Context, ATI Technologies Inc.
java.lang.NoClassDefFoundError: mod_Fireworks (wrong name: net/minecraft/src/mod_Fireworks)
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClassCond(Unknown Source)
at java.lang.ClassLoader.defineClass(Unknown Source)
at java.security.SecureClassLoader.defineClass(Unknown Source)
at java.net.URLClassLoader.defineClass(Unknown Source)
at java.net.URLClassLoader.access$000(Unknown Source)
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)
at ModLoader.addMod(ModLoader.java:267)
at ModLoader.readFromClassPath(ModLoader.java:1104)
at ModLoader.init(ModLoader.java:812)
at ModLoader.AddAllRenderers(ModLoader.java:183)
at th.<init>(th.java:60)
at th.<clinit>(th.java:9)
at net.minecraft.client.Minecraft.a(SourceFile:318)
at net.minecraft.client.Minecraft.run(SourceFile:716)
at java.lang.Thread.run(Unknown Source)
--- END ERROR REPORT d714bc9f ----------
et Oui avec startclient.bat ça fonctionne parfaitement et quand j'installe le mod sur mon vrai jeu sa crash alors qu'il n'y a aucun autre mod d'installer à part modloader et audiomod.
voila en espérant que quelqu'un sache d'où sa vient.