I installed IC2 but i got this
Mods loaded: 17
ModLoader 1.2.5
mod_TooManyItems 1.2.5 2012-04-13
mod_BuildCraftCore 3.1.5
mod_BuildCraftBuilders 3.1.5
mod_BuildCraftEnergy 3.1.5
mod_BuildCraftFactory 3.1.5
mod_BuildCraftTransport 3.1.5
mod_BuildCraftSilicon 3.1.5
mod_IC2 v1.95
mod_Railcraft 5.1.0
mod_RedPowerControl 2.0pr5
mod_RedPowerCore 2.0pr5
mod_RedPowerLighting 2.0pr5
mod_RedPowerLogic 2.0pr5
mod_RedPowerMachine 2.0pr5
mod_RedPowerWiring 2.0pr5
mod_RedPowerWorld 2.0pr5
Minecraft has crashed!
----------------------
Minecraft has stopped running because it encountered a problem.
--- BEGIN ERROR REPORT f90d7fe1 --------
Generated 27/04/12 17:47
Minecraft: Minecraft 1.2.5
OS: Windows Vista (x86) version 6.0
Java: 1.6.0_31, Sun Microsystems Inc.
VM: Java HotSpot(TM) Client VM (mixed mode), Sun Microsystems Inc.
LWJGL: 2.4.2
OpenGL: ATI Radeon X1200 Series version 2.1.7659 Release, ATI Technologies Inc.
java.lang.NoSuchMethodError: ic2.common.ItemIC2.setNoRepair()Lyr;
at ic2.common.ItemIC2.<init>(ItemIC2.java:28)
at ic2.common.ItemResin.<init>(ItemResin.java:24)
at mod_IC2.load(mod_IC2.java:226)
at ModLoader.init(ModLoader.java:891)
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)
--- END ERROR REPORT 6fc190c2 ----------
can some one help me i want to kill 
in stile. Please egnore the face i tryed not to have them but it was part of the crash what you need to make it that is.