random crash

2014-01-01 18:39:53 [INFO] [Minecraft-Server] Saving and pausing game...
2014-01-01 18:39:53 [INFO] [Minecraft-Server] Saving chunks for level 'NuuviaII'/Overworld
2014-01-01 18:39:53 [INFO] [Minecraft-Server] Saving chunks for level 'NuuviaII'/Nether
2014-01-01 18:39:53 [INFO] [Minecraft-Server] Saving chunks for level 'NuuviaII'/The Moo Moo Farm
#
# A fatal error has been detected by the Java Runtime Environment:
#
# EXCEPTION_ACCESS_VIOLATION (0xc0000005) at pc=0x00000000601c989d, pid=7008, tid=9460
#
# JRE version: Java(TM) SE Runtime Environment (7.0_45-b18) (build 1.7.0_45-b18)
# Java VM: Java HotSpot(TM) 64-Bit Server VM (24.45-b08 mixed mode windows-amd64 compressed oops)
# Problematic frame:
# C [nvoglv64.DLL+0x98989d]
#
# 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:
# C:\Users\Rick\Desktop\FTB\Direwolf20_1_6_4\minecraft\hs_err_pid7008.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