Attack Of the B team will load up and when then big mojang letters come it instanly closes down and goes back to the launcher.

[JaggedMC]

[B#347] SLF4J: Failed to load class "org.slf4j.impl.StaticLoggerBinder".
[B#347] SLF4J: Defaulting to no-operation (NOP) logger implementation
[B#347] SLF4J: See http://www.slf4j.org/codes.html#StaticLoggerBinder for further details.
That was my error message. I just got a new computer and am using 2gb ram and 64 bit java 8.

Edited March 1, 2016 by JaggedMC
Missed a bit

[JaariAtmc]

I'm sorry to tell you this, but this is not your error. Your error will be found further down your log. Please upload it to www.pastebin.com and give us the link.