Quote from Calclavia
Not sure what's causing the IC2 problem. I don't manage IC2... So far, the only mods that work with the latest UE are ICBM, Atomic Science, Hawk's Machinery and some other small ones. We're still working hard on it!
Well THX anyway i dont what happened but when i downloaded these downloads it worked http://www.minecraftforge.net/forum/index.php?topic=2193.0