Display Moreby false the soundsenable, i'm able to get into the main manu, but when i created a new world, it crashed
2 mods loaded
Minecraft Forge 3.3.8.158
FML v2.2.78.153
Forge Mod Loader version 2.2.78.153 for Minecraft 1.2.5
mod_MinecraftForge : Available (minecraft.jar)
mod_IC2 : Available (industrialcraft-2-client_1.97.jar)
Minecraft has crashed!
----------------------
Minecraft has stopped running because it encountered a problem.
--- BEGIN ERROR REPORT 4a3ba10e --------
Generated 12-7-3 下午1:46
Minecraft: Minecraft 1.2.5
OS: Windows Vista (x86) version 6.0
Java: 1.7.0_05, Oracle Corporation
VM: Java HotSpot(TM) Client VM (mixed mode), Oracle Corporation
LWJGL: 2.4.2
OpenGL: ATI Radeon HD 4350 version 2.1.8537 Release, ATI Technologies Inc.
java.lang.NoClassDefFoundError: paulscode/sound/SoundSystem
at sd.a(SoundManager.java:220)
at net.minecraft.client.Minecraft.a(Minecraft.java:2050)
at net.minecraft.client.Minecraft.a(Minecraft.java:2032)
at net.minecraft.client.Minecraft.a(Minecraft.java:2024)
at net.minecraft.client.Minecraft.a(Minecraft.java:1920)
at xh.a(GuiCreateWorld.java:210)
at vp.a(SourceFile:74)
at xh.a(GuiCreateWorld.java:316)
at vp.f(SourceFile:122)
at vp.i(SourceFile:110)
at net.minecraft.client.Minecraft.k(Minecraft.java:1567)
at net.minecraft.client.Minecraft.x(Minecraft.java:822)
at net.minecraft.client.Minecraft.run(Minecraft.java:750)
at java.lang.Thread.run(Unknown Source)
Caused by: java.lang.ClassNotFoundException: paulscode.sound.SoundSystem
at java.net.URLClassLoader$1.run(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)
... 14 more
--- END ERROR REPORT 71998588 ----------
Sorry, the fix I know of is only for Mac OS. But if I had to guess, the issue might be that you are running Vista. Could be some other fix out there for the Win Vista bug. Best fix, however, would be to upgrade to Win 7 (maybe even downgrading to XP would be a better option.)