Hey my Minecraft crashed and I don't know why but here's the error by java,
#
# A fatal error has been detected by the Java Runtime Environment:
#
# EXCEPTION_ACCESS_VIOLATION (0xc0000005) at pc=0x000084c1, pid=3448, tid=1668
#
# JRE version: 7.0_07-b11
# Java VM: Java HotSpot(TM) Client VM...