Minecraft Forums

Hello someone please help me!!! I play minecraft 1.6.4 and i want industrial craft 2 but when i downloaded it and put it in my mods folder and ran forge my game crashed!! It said the was a problem causing the game to crash and i got the right idustrial craft and it just didnt work and i tried updating forge to 1.7.2 but that didnt work so if someone can please tell me how to run industrial craft 2 on mine craft 1.6.4 and forge 1.6.4 please?:'(