错误代码：
Mods loaded: 1
ModLoader 1.2.5
Minecraft has crashed!
----------------------
Minecraft has stopped running because it encountered a problem.
--- BEGIN ERROR REPORT 9f578458 --------
Generated 12-7-2 下午10:23
Minecraft: Minecraft 1.2.5
OS: Windows XP (x86) version 5.1
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 4600 Series version 3.3.10188 Compatibility Profile Context, ATI Technologies Inc.
java.lang.NoClassDefFoundError: forge/IConnectionHandler
at java.lang.ClassLoader.defineClass1(Native Method)
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$100(Unknown Source)
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)
at ModLoader.addMod(ModLoader.java:289)
at ModLoader.readFromModFolder(ModLoader.java:1276)
at ModLoader.init(ModLoader.java:887)
at ModLoader.addAllRenderers(ModLoader.java:189)
at ahu.<init>(ahu.java:77)
at ahu.<clinit>(ahu.java:8)
at net.minecraft.client.Minecraft.a(SourceFile:273)
at net.minecraft.client.Minecraft.run(SourceFile:657)
at java.lang.Thread.run(Unknown Source)
Caused by: java.lang.ClassNotFoundException: forge.IConnectionHandler
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)
... 21 more
--- END ERROR REPORT 118f5c21 ----------
具体步骤：
1.下载绝对纯净版MINECRAFT 1.2.5（http://dl.dbank.com/c09w9w2ced），然后从http://www.minecraftxz.com/下载MODLOADER1.2.5,MODLOADERMP1.2.5,AUDIOMOD1.2.5,FORGE（client,server,src都下，都是3.25.120）
2.从该站下载爬墙红石，家具MOD，工业2 CLIENT-1.95b，坐骑MOD，化学MOD，动作灵活MOD（http://115.com/file/be7twzg4），REI_MINIMAP 1.2.5
3.将MODLOADER，AUDOMOD,MODLOADERMP,FORGE（SRC ）压缩包内文件按从左往右的顺序拖曳至MINECRAFT.JAR内，将所有MOD压缩包复制至MODS文件夹内
4.退出MINECRAFT.JAR，运行MINECRAFT.EXE，报错，提示“Unable to access jarfile R:\***\Minecraft”
5.使用忘却的旋律4.0启动器，报错崩溃。
Mods loaded: 1
ModLoader 1.2.5
Minecraft has crashed!
----------------------
Minecraft has stopped running because it encountered a problem.
--- BEGIN ERROR REPORT 9f578458 --------
Generated 12-7-2 下午10:23
Minecraft: Minecraft 1.2.5
OS: Windows XP (x86) version 5.1
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 4600 Series version 3.3.10188 Compatibility Profile Context, ATI Technologies Inc.
java.lang.NoClassDefFoundError: forge/IConnectionHandler
at java.lang.ClassLoader.defineClass1(Native Method)
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$100(Unknown Source)
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)
at ModLoader.addMod(ModLoader.java:289)
at ModLoader.readFromModFolder(ModLoader.java:1276)
at ModLoader.init(ModLoader.java:887)
at ModLoader.addAllRenderers(ModLoader.java:189)
at ahu.<init>(ahu.java:77)
at ahu.<clinit>(ahu.java:8)
at net.minecraft.client.Minecraft.a(SourceFile:273)
at net.minecraft.client.Minecraft.run(SourceFile:657)
at java.lang.Thread.run(Unknown Source)
Caused by: java.lang.ClassNotFoundException: forge.IConnectionHandler
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)
... 21 more
--- END ERROR REPORT 118f5c21 ----------
具体步骤：
1.下载绝对纯净版MINECRAFT 1.2.5（http://dl.dbank.com/c09w9w2ced），然后从http://www.minecraftxz.com/下载MODLOADER1.2.5,MODLOADERMP1.2.5,AUDIOMOD1.2.5,FORGE（client,server,src都下，都是3.25.120）
2.从该站下载爬墙红石，家具MOD，工业2 CLIENT-1.95b，坐骑MOD，化学MOD，动作灵活MOD（http://115.com/file/be7twzg4），REI_MINIMAP 1.2.5
3.将MODLOADER，AUDOMOD,MODLOADERMP,FORGE（SRC ）压缩包内文件按从左往右的顺序拖曳至MINECRAFT.JAR内，将所有MOD压缩包复制至MODS文件夹内
4.退出MINECRAFT.JAR，运行MINECRAFT.EXE，报错，提示“Unable to access jarfile R:\***\Minecraft”
5.使用忘却的旋律4.0启动器，报错崩溃。
装了一个mod就报废了。。。
居然没一个人回复？难道都不知道？那懒人包里面这些MOD是肿么安装上去的。。。