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I cant Update my minecraft from 1.7.2 WHAT DO I DO!??!? Here is my crash report.

[23:09:39] [main/INFO]: Setting user: MomoTheEpicBoss
[23:09:39] [main/INFO]: (Session ID is token:9866938cefeb467585c897a47b100785:97424f544f5241c093fab59b192f4f61)
[23:09:40] [Client thread/INFO]: LWJGL Version: 2.9.1
[23:09:43] [Client thread/INFO]: Reloading ResourceManager: Default, pvptexturepack_25_betterskies.zip

Starting up SoundSystem...
Initializing LWJGL OpenAL
(The LWJGL binding of OpenAL. For more information, see http://www.lwjgl.org)
OpenAL initialized.

[23:09:43] [Sound Library Loader/INFO]: Sound engine started
[23:09:45] [Client thread/INFO]: Created: 1024x512 textures/blocks-atlas
[23:09:45] [Client thread/INFO]: Created: 1024x512 textures/items-atlas
#
# A fatal error has been detected by the Java Runtime Environment:
#
# EXCEPTION_ACCESS_VIOLATION (0xc0000005) at pc=0x2a973e88, pid=5332, tid=4276
#
# JRE version: Java(TM) SE Runtime Environment (7.0_67-b01) (build 1.7.0_67-b01)
# Java VM: Java HotSpot(TM) Client VM (24.65-b04 mixed mode windows-x86 )
# Problematic frame:
# C [ig4dev32.dll+0x3e88]
#
# 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\Sam\AppData\Roaming\.minecraft\hs_err_pid5332.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

Im getting a computer instead of a laptop soon so i will probably be able to update. Thanks for the info!