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If you would actually like some help with this though, you will want to provide us with at least some basic information. Your computer specs, specific packs, java settings, RAM allocation, crash reports, forge logs, etc.
I had a similar issue with the direwolf20 pack, try to launch and as soon as it started it would crash out, I ended up going through the list disabling all mods and adding one at a time till it didn't crash, turned out for me it was zans minimap, no idea why but I just don't play with that mod now.
Still didn't really provide any information. What version of Java DO you have? 32-bit or 64-bit? What about all of the other stuff I asked for?
I hate to be rude, but you just aren't giving us anything to work on. You basically walked into a car mechanic and said "My car's not working." then walked out, and didn't provide the car itself, any information about it, the exact problem you are having, nothing.
I suspect this is even why there are so few replies. Most people look at this and just say "Nope, not worth it."