Help. in clueless to whats happening

[corncerial]

i downloaded the FTB today and when i try to play it by launching minecraft from FTB launcher after downloading mod pack this comes up on console window and nothing happens

Loading natives...
Natives loaded...
Loading minecraft class
mc = class net.minecraft.client.Minecraft

 

[lavarthan]

Unfortunately there is no known cause for this. Check out this link for more info on what you can do that might help. Good luck with getting it to work.