I followed the exact directions that Alblaka outlined in the install section. Just some housekeeping before I get to the Java Error:
META-INF is deleted
Forge and modloader is installed
Other Mods Running Currently - Buildcraft 2.24, MoCreatures 2.14, Fossil/Archeology Mod, Alchemy Mod (I still get the crash error with all these turned off)
Attempting to Install IC2 v. 1.00
Crash @ Mojang Title Screen
Log in Modloader File is as follows from the FINER: THROW
FINER: THROW
java.lang.IncompatibleClassChangeError: class ic2.BlockMultiID has interface rw as super class
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 java.lang.ClassLoader.loadClass(Unknown Source)
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 java.lang.ClassLoader.loadClass(Unknown Source)
at java.lang.Class.getDeclaredFields0(Native Method)
at java.lang.Class.privateGetDeclaredFields(Unknown Source)
at java.lang.Class.privateGetPublicFields(Unknown Source)
at java.lang.Class.getFields(Unknown Source)
at ModLoader.setupProperties(ModLoader.java:1583)
at ModLoader.addMod(ModLoader.java:274)
at ModLoader.readFromClassPath(ModLoader.java:1114)
at ModLoader.init(ModLoader.java:825)
at ModLoader.AddAllRenderers(ModLoader.java:186)
at aam.(aam.java:61)
at aam.(aam.java:10)
at net.minecraft.client.Minecraft.a(SourceFile:259)
at net.minecraft.client.Minecraft.run(SourceFile:629)
at java.lang.Thread.run(Unknown Source)
Nov 1, 2011 6:43:08 PM ModLoaderMp Log
FINE: ModLoaderMP Beta 1.7.3 unofficial Initialized
Nov 1, 2011 6:43:08 PM ModLoader AddAllRenderers
FINE: Initialized
Any additional information, just let me know.