Do you know why this is crashing??
here is the report
# A fatal error has been detected by the Java Runtime Environment:
#
# EXCEPTION_ACCESS_VIOLATION (0xc0000005) at pc=0x0000000016979530, pid=7676, tid=4440
#
# JRE version: Java(TM) SE Runtime Environment (7.0_51-b13) (build 1.7.0_51-b13)
# Java VM: Java HotSpot(TM) 64-Bit Server VM (24.51-b03 mixed mode windows-amd64 compressed oops)
# Problematic frame:
# C [atio6axx.dll+0xa39530]
#
# Failed to write core dump. Minidumps are not enabled by default on client versions of Windows
#
# An error report file with more information is saved as:
# D:\Program Files (x86)\Direwolf20_1_6_4\minecraft\hs_err_pid7676.log
#
# If you would like to submit a bug report, please visit:
# http://bugreport.sun.com/bugreport/crash.jsp
# The crash happened outside the Java Virtual Machine in native code.
# See problematic frame for where to report the bug.
#
AL lib: (EE) alc_cleanup: 1 device not closed
[i18n] Added 0 enUS to options pane
[i18n] Added 1 cyGB to options pane
[i18n] Added 2 daDK to options pane
[i18n] Added 3 deDE to options pane
[i18n] Added 4 esES to options pane
[i18n] Added 5 frFR to options pane
[i18n] Added 6 itIT to options pane
[i18n] Added 7 maHU to options pane
[i18n] Added 8 nlNL to options pane
[i18n] Added 9 ptBR to options pane
[i18n] Added 10 ptPT to options pane
[i18n] Added 11 ruRU to options pane
[i18n] Added 12 svSE to options pane
[i18n] enUS English language file loaded!
That one is not modpack related. Thats a java crash and should be posted in tech support.