Minecraft keeps crashing as soon as i open the launcher, and i have no idea why it is crashing.

When i try to play the game, it crashes. What should i do?
This is the error from the game:

[15:37:09 INFO]: JFX has been detected & successfully loaded

[15:37:10 INFO]: Minecraft Launcher 1.3.11 (through bootstrap 5) started on windows...

[15:37:10 INFO]: Current time is Apr 20, 2014 3:37:10 PM

[15:37:10 INFO]: System.getProperty('os.name') == 'Windows 7'

[15:37:10 INFO]: System.getProperty('os.version') == '6.1'

[15:37:10 INFO]: System.getProperty('os.arch') == 'x86'

[15:37:10 INFO]: System.getProperty('java.version') == '1.7.0_55'

[15:37:10 INFO]: System.getProperty('java.vendor') == 'Oracle Corporation'

[15:37:10 INFO]: System.getProperty('sun.arch.data.model') == '32'

[15:37:10 INFO]: Refreshing local version list...

[15:37:10 INFO]: Refreshing remote version list...

[15:37:11 INFO]: Refresh complete.

[15:37:11 INFO]: Loaded 1 profile(s); selected 'tallboytwist'

[15:37:11 INFO]: Refreshing auth...

[15:37:11 INFO]: Logging in with access token

[15:51:40 INFO]: Getting syncinfo for selected version

[15:51:40 INFO]: Queueing library & version downloads

[15:51:40 INFO]: Download job 'Version & Libraries' started (16 threads, 28 files)

[15:51:40 INFO]: Attempting to download C:\Users\user\AppData\Roaming\.minecraft\libraries\com\paulscode\codecwav\20101023\codecwav-20101023.jar for job 'Version & Libraries'... (try 0)

[15:51:40 INFO]: Attempting to download C:\Users\user\AppData\Roaming\.minecraft\libraries\com\paulscode\librarylwjglopenal\20100824\librarylwjglopenal-20100824.jar for job 'Version & Libraries'... (try 0)

[15:51:40 INFO]: Attempting to download C:\Users\user\AppData\Roaming\.minecraft\libraries\net\sf\jopt-simple\jopt-simple\4.5\jopt-simple-4.5.jar for job 'Version & Libraries'... (try 0)

[15:51:40 INFO]: Attempting to download C:\Users\user\AppData\Roaming\.minecraft\libraries\com\ibm\icu\icu4j-core-mojang\51.2\icu4j-core-mojang-51.2.jar for job 'Version & Libraries'... (try 0)

[15:51:40 INFO]: Attempting to download C:\Users\user\AppData\Roaming\.minecraft\libraries\com\paulscode\codecjorbis\20101023\codecjorbis-20101023.jar for job 'Version & Libraries'... (try 0)

[15:51:40 INFO]: Attempting to download C:\Users\user\AppData\Roaming\.minecraft\libraries\net\sf\trove4j\trove4j\3.0.3\trove4j-3.0.3.jar for job 'Version & Libraries'... (try 0)

[15:51:40 INFO]: Attempting to download C:\Users\user\AppData\Roaming\.minecraft\libraries\net\java\jutils\jutils\1.0.0\jutils-1.0.0.jar for job 'Version & Libraries'... (try 0)

[15:51:40 INFO]: Attempting to download C:\Users\user\AppData\Roaming\.minecraft\libraries\org\lwjgl\lwjgl\lwjgl_util\2.9.1\lwjgl_util-2.9.1.jar for job 'Version & Libraries'... (try 0)

[15:51:40 INFO]: Attempting to download C:\Users\user\AppData\Roaming\.minecraft\libraries\org\apache\commons\commons-lang3\3.1\commons-lang3-3.1.jar for job 'Version & Libraries'... (try 0)

[15:51:40 INFO]: Attempting to download C:\Users\user\AppData\Roaming\.minecraft\libraries\commons-io\commons-io\2.4\commons-io-2.4.jar for job 'Version & Libraries'... (try 0)

[15:51:40 INFO]: Attempting to download C:\Users\user\AppData\Roaming\.minecraft\libraries\org\lwjgl\lwjgl\lwjgl-platform\2.9.1\lwjgl-platform-2.9.1-natives-windows.jar for job 'Version & Libraries'... (try 0)

[15:51:40 INFO]: Attempting to download C:\Users\user\AppData\Roaming\.minecraft\libraries\java3d\vecmath\1.3.1\vecmath-1.3.1.jar for job 'Version & Libraries'... (try 0)

[15:51:40 INFO]: Attempting to download C:\Users\user\AppData\Roaming\.minecraft\libraries\net\java\jinput\jinput-platform\2.0.5\jinput-platform-2.0.5-natives-windows.jar for job 'Version & Libraries'... (try 0)

[15:51:40 INFO]: Attempting to download C:\Users\user\AppData\Roaming\.minecraft\libraries\tv\twitch\twitch-platform\5.16\twitch-platform-5.16-natives-windows-32.jar for job 'Version & Libraries'... (try 0)

[15:51:40 INFO]: Attempting to download C:\Users\user\AppData\Roaming\.minecraft\libraries\com\google\guava\guava\15.0\guava-15.0.jar for job 'Version & Libraries'... (try 0)

[15:51:40 INFO]: Attempting to download C:\Users\user\AppData\Roaming\.minecraft\libraries\tv\twitch\twitch-external-platform\4.5\twitch-external-platform-4.5-natives-windows-32.jar for job 'Version & Libraries'... (try 0)

[15:51:41 INFO]: Download job 'Resources' skipped as there are no files to download

[15:51:41 INFO]: Job 'Resources' finished successfully (took 0:00:00.000)

[15:51:41 INFO]: Finished downloading C:\Users\user\AppData\Roaming\.minecraft\libraries\tv\twitch\twitch-external-platform\4.5\twitch-external-platform-4.5-natives-windows-32.jar for job 'Version & Libraries': Local file matches local checksum, using that

[15:51:41 INFO]: Attempting to download C:\Users\user\AppData\Roaming\.minecraft\libraries\tv\twitch\twitch\5.16\twitch-5.16.jar for job 'Version & Libraries'... (try 0)

[15:51:41 INFO]: Finished downloading C:\Users\user\AppData\Roaming\.minecraft\libraries\com\google\guava\guava\15.0\guava-15.0.jar for job 'Version & Libraries': Local file matches local checksum, using that

[15:51:41 INFO]: Attempting to download C:\Users\user\AppData\Roaming\.minecraft\libraries\com\paulscode\soundsystem\20120107\soundsystem-20120107.jar for job 'Version & Libraries'... (try 0)

[15:51:41 INFO]: Finished downloading C:\Users\user\AppData\Roaming\.minecraft\libraries\tv\twitch\twitch\5.16\twitch-5.16.jar for job 'Version & Libraries': Local file matches local checksum, using that

[15:51:41 INFO]: Attempting to download C:\Users\user\AppData\Roaming\.minecraft\libraries\org\apache\logging\log4j\log4j-api\2.0-beta9\log4j-api-2.0-beta9.jar for job 'Version & Libraries'... (try 0)

[15:51:41 INFO]: Finished downloading C:\Users\user\AppData\Roaming\.minecraft\libraries\com\paulscode\soundsystem\20120107\soundsystem-20120107.jar for job 'Version & Libraries': Local file matches local checksum, using that

[15:51:41 INFO]: Attempting to download C:\Users\user\AppData\Roaming\.minecraft\libraries\com\paulscode\libraryjavasound\20101123\libraryjavasound-20101123.jar for job 'Version & Libraries'... (try 0)

[15:51:42 INFO]: Finished downloading C:\Users\user\AppData\Roaming\.minecraft\libraries\com\paulscode\libraryjavasound\20101123\libraryjavasound-20101123.jar for job 'Version & Libraries': Local file matches local checksum, using that

[15:51:42 INFO]: Finished downloading C:\Users\user\AppData\Roaming\.minecraft\libraries\org\apache\logging\log4j\log4j-api\2.0-beta9\log4j-api-2.0-beta9.jar for job 'Version & Libraries': Local file matches local checksum, using that

[15:51:42 INFO]: Attempting to download C:\Users\user\AppData\Roaming\.minecraft\libraries\net\java\jinput\jinput\2.0.5\jinput-2.0.5.jar for job 'Version & Libraries'... (try 0)

[15:51:42 INFO]: Finished downloading C:\Users\user\AppData\Roaming\.minecraft\libraries\tv\twitch\twitch-platform\5.16\twitch-platform-5.16-natives-windows-32.jar for job 'Version & Libraries': Local file matches local checksum, using that

[15:51:42 INFO]: Attempting to download C:\Users\user\AppData\Roaming\.minecraft\libraries\org\apache\logging\log4j\log4j-core\2.0-beta9\log4j-core-2.0-beta9.jar for job 'Version & Libraries'... (try 0)

[15:51:42 INFO]: Attempting to download C:\Users\user\AppData\Roaming\.minecraft\libraries\com\mojang\authlib\1.5.13\authlib-1.5.13.jar for job 'Version & Libraries'... (try 0)

[15:51:42 INFO]: Finished downloading C:\Users\user\AppData\Roaming\.minecraft\libraries\com\mojang\authlib\1.5.13\authlib-1.5.13.jar for job 'Version & Libraries': Local file matches local checksum, using that

[15:51:42 INFO]: Attempting to download C:\Users\user\AppData\Roaming\.minecraft\libraries\io\netty\netty-all\4.0.10.Final\netty-all-4.0.10.Final.jar for job 'Version & Libraries'... (try 0)

[15:51:42 INFO]: Finished downloading C:\Users\user\AppData\Roaming\.minecraft\libraries\net\java\jinput\jinput\2.0.5\jinput-2.0.5.jar for job 'Version & Libraries': Local file matches local checksum, using that

[15:51:42 INFO]: Attempting to download C:\Users\user\AppData\Roaming\.minecraft\libraries\org\lwjgl\lwjgl\lwjgl\2.9.1\lwjgl-2.9.1.jar for job 'Version & Libraries'... (try 0)

[15:51:42 INFO]: Finished downloading C:\Users\user\AppData\Roaming\.minecraft\libraries\io\netty\netty-all\4.0.10.Final\netty-all-4.0.10.Final.jar for job 'Version & Libraries': Local file matches local checksum, using that

[15:51:42 INFO]: Attempting to download C:\Users\user\AppData\Roaming\.minecraft\libraries\com\google\code\gson\gson\2.2.4\gson-2.2.4.jar for job 'Version & Libraries'... (try 0)

[15:51:42 INFO]: Finished downloading C:\Users\user\AppData\Roaming\.minecraft\libraries\com\google\code\gson\gson\2.2.4\gson-2.2.4.jar for job 'Version & Libraries': Local file matches local checksum, using that

[15:51:42 INFO]: Attempting to download C:\Users\user\AppData\Roaming\.minecraft\libraries\commons-codec\commons-codec\1.9\commons-codec-1.9.jar for job 'Version & Libraries'... (try 0)

[15:51:42 INFO]: Finished downloading C:\Users\user\AppData\Roaming\.minecraft\libraries\commons-codec\commons-codec\1.9\commons-codec-1.9.jar for job 'Version & Libraries': Local file matches local checksum, using that

[15:51:42 INFO]: Attempting to download C:\Users\user\AppData\Roaming\.minecraft\versions\1.7.9\1.7.9.jar for job 'Version & Libraries'... (try 0)

[15:51:42 INFO]: Finished downloading C:\Users\user\AppData\Roaming\.minecraft\libraries\org\lwjgl\lwjgl\lwjgl\2.9.1\lwjgl-2.9.1.jar for job 'Version & Libraries': Local file matches local checksum, using that

[15:51:42 INFO]: Finished downloading C:\Users\user\AppData\Roaming\.minecraft\libraries\net\java\jinput\jinput-platform\2.0.5\jinput-platform-2.0.5-natives-windows.jar for job 'Version & Libraries': Local file matches local checksum, using that

[15:51:42 INFO]: Finished downloading C:\Users\user\AppData\Roaming\.minecraft\libraries\org\apache\logging\log4j\log4j-core\2.0-beta9\log4j-core-2.0-beta9.jar for job 'Version & Libraries': Local file matches local checksum, using that

[15:51:42 INFO]: Finished downloading C:\Users\user\AppData\Roaming\.minecraft\libraries\org\lwjgl\lwjgl\lwjgl-platform\2.9.1\lwjgl-platform-2.9.1-natives-windows.jar for job 'Version & Libraries': Local file matches local checksum, using that

[15:51:42 INFO]: Finished downloading C:\Users\user\AppData\Roaming\.minecraft\libraries\java3d\vecmath\1.3.1\vecmath-1.3.1.jar for job 'Version & Libraries': Local file matches local checksum, using that

[15:51:42 INFO]: Finished downloading C:\Users\user\AppData\Roaming\.minecraft\libraries\commons-io\commons-io\2.4\commons-io-2.4.jar for job 'Version & Libraries': Local file matches local checksum, using that

[15:51:42 INFO]: Finished downloading C:\Users\user\AppData\Roaming\.minecraft\libraries\net\sf\trove4j\trove4j\3.0.3\trove4j-3.0.3.jar for job 'Version & Libraries': Local file matches local checksum, using that

[15:51:42 INFO]: Finished downloading C:\Users\user\AppData\Roaming\.minecraft\libraries\net\java\jutils\jutils\1.0.0\jutils-1.0.0.jar for job 'Version & Libraries': Local file matches local checksum, using that

[15:51:42 INFO]: Finished downloading C:\Users\user\AppData\Roaming\.minecraft\libraries\org\apache\commons\commons-lang3\3.1\commons-lang3-3.1.jar for job 'Version & Libraries': Local file matches local checksum, using that

[15:51:42 INFO]: Finished downloading C:\Users\user\AppData\Roaming\.minecraft\libraries\org\lwjgl\lwjgl\lwjgl_util\2.9.1\lwjgl_util-2.9.1.jar for job 'Version & Libraries': Local file matches local checksum, using that

[15:51:42 INFO]: Finished downloading C:\Users\user\AppData\Roaming\.minecraft\libraries\com\paulscode\codecwav\20101023\codecwav-20101023.jar for job 'Version & Libraries': Local file matches local checksum, using that

[15:51:42 INFO]: Finished downloading C:\Users\user\AppData\Roaming\.minecraft\libraries\com\ibm\icu\icu4j-core-mojang\51.2\icu4j-core-mojang-51.2.jar for job 'Version & Libraries': Local file matches local checksum, using that

[15:51:42 INFO]: Finished downloading C:\Users\user\AppData\Roaming\.minecraft\libraries\net\sf\jopt-simple\jopt-simple\4.5\jopt-simple-4.5.jar for job 'Version & Libraries': Local file matches local checksum, using that

[15:51:42 INFO]: Finished downloading C:\Users\user\AppData\Roaming\.minecraft\libraries\com\paulscode\codecjorbis\20101023\codecjorbis-20101023.jar for job 'Version & Libraries': Local file matches local checksum, using that

[15:51:42 INFO]: Finished downloading C:\Users\user\AppData\Roaming\.minecraft\libraries\com\paulscode\librarylwjglopenal\20100824\librarylwjglopenal-20100824.jar for job 'Version & Libraries': Local file matches local checksum, using that

[15:51:42 INFO]: Finished downloading C:\Users\user\AppData\Roaming\.minecraft\versions\1.7.9\1.7.9.jar for job 'Version & Libraries': Used own copy as it matched etag

[15:51:42 INFO]: Job 'Version & Libraries' finished successfully (took 0:00:01.874)

[15:51:42 INFO]: Launching game

[15:51:42 INFO]: Looking for old natives & assets to clean up...

[15:51:42 INFO]: Unpacking natives to C:\Users\user\AppData\Roaming\.minecraft\versions\1.7.9\1.7.9-natives-18601706056093

[15:51:43 INFO]: Launching in C:\Users\user\AppData\Roaming\.minecraft

[15:51:43 INFO]: Half command: C:\Program Files\Java\jre7\bin\javaw.exe -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx512M -Djava.library.path=C:\Users\user\AppData\Roaming\.minecraft\versions\1.7.9\1.7.9-natives-18601706056093 -cp C:\Users\user\AppData\Roaming\.minecraft\libraries\java3d\vecmath\1.3.1\vecmath-1.3.1.jar;C:\Users\user\AppData\Roaming\.minecraft\libraries\net\sf\trove4j\trove4j\3.0.3\trove4j-3.0.3.jar;C:\Users\user\AppData\Roaming\.minecraft\libraries\com\ibm\icu\icu4j-core-mojang\51.2\icu4j-core-mojang-51.2.jar;C:\Users\user\AppData\Roaming\.minecraft\libraries\net\sf\jopt-simple\jopt-simple\4.5\jopt-simple-4.5.jar;C:\Users\user\AppData\Roaming\.minecraft\libraries\com\paulscode\codecjorbis\20101023\codecjorbis-20101023.jar;C:\Users\user\AppData\Roaming\.minecraft\libraries\com\paulscode\codecwav\20101023\codecwav-20101023.jar;C:\Users\user\AppData\Roaming\.minecraft\libraries\com\paulscode\libraryjavasound\20101123\libraryjavasound-20101123.jar;C:\Users\user\AppData\Roaming\.minecraft\libraries\com\paulscode\librarylwjglopenal\20100824\librarylwjglopenal-20100824.jar;C:\Users\user\AppData\Roaming\.minecraft\libraries\com\paulscode\soundsystem\20120107\soundsystem-20120107.jar;C:\Users\user\AppData\Roaming\.minecraft\libraries\io\netty\netty-all\4.0.10.Final\netty-all-4.0.10.Final.jar;C:\Users\user\AppData\Roaming\.minecraft\libraries\com\google\guava\guava\15.0\guava-15.0.jar;C:\Users\user\AppData\Roaming\.minecraft\libraries\org\apache\commons\commons-lang3\3.1\commons-lang3-3.1.jar;C:\Users\user\AppData\Roaming\.minecraft\libraries\commons-io\commons-io\2.4\commons-io-2.4.jar;C:\Users\user\AppData\Roaming\.minecraft\libraries\commons-codec\commons-codec\1.9\commons-codec-1.9.jar;C:\Users\user\AppData\Roaming\.minecraft\libraries\net\java\jinput\jinput\2.0.5\jinput-2.0.5.jar;C:\Users\user\AppData\Roaming\.minecraft\libraries\net\java\jutils\jutils\1.0.0\jutils-1.0.0.jar;C:\Users\user\AppData\Roaming\.minecraft\libraries\com\google\code\gson\gson\2.2.4\gson-2.2.4.jar;C:\Users\user\AppData\Roaming\.minecraft\libraries\com\mojang\authlib\1.5.13\authlib-1.5.13.jar;C:\Users\user\AppData\Roaming\.minecraft\libraries\org\apache\logging\log4j\log4j-api\2.0-beta9\log4j-api-2.0-beta9.jar;C:\Users\user\AppData\Roaming\.minecraft\libraries\org\apache\logging\log4j\log4j-core\2.0-beta9\log4j-core-2.0-beta9.jar;C:\Users\user\AppData\Roaming\.minecraft\libraries\org\lwjgl\lwjgl\lwjgl\2.9.1\lwjgl-2.9.1.jar;C:\Users\user\AppData\Roaming\.minecraft\libraries\org\lwjgl\lwjgl\lwjgl_util\2.9.1\lwjgl_util-2.9.1.jar;C:\Users\user\AppData\Roaming\.minecraft\libraries\tv\twitch\twitch\5.16\twitch-5.16.jar;C:\Users\user\AppData\Roaming\.minecraft\versions\1.7.9\1.7.9.jar net.minecraft.client.main.Main

[15:51:45 INFO]: Client> [15:51:45] [main/INFO]: Setting user: tallboytwist

[15:51:45 INFO]: Client> [15:51:45] [main/INFO]: (Session ID is token:c0c31f3f69d64dddb032d2fe069913bc:f7ad320cdb9544efb1e39033a5eb96d3)

[15:51:45 INFO]: Client> [15:51:45] [Client thread/INFO]: LWJGL Version: 2.9.1

[15:51:49 INFO]: Client> [15:51:49] [Client thread/INFO]: Reloading ResourceManager: Default

[15:51:49 INFO]: Client> 

[15:51:49 INFO]: Client> Starting up SoundSystem...

[15:51:49 INFO]: Client> Initializing LWJGL OpenAL

[15:51:49 INFO]: Client>     (The LWJGL binding of OpenAL.  For more information, see http://www.lwjgl.org)

[15:51:50 INFO]: Client> OpenAL initialized.

[15:51:50 INFO]: Client> 

[15:51:50 INFO]: Client> [15:51:50] [Sound Library Loader/INFO]: Sound engine started

[15:51:51 INFO]: Client> [15:51:51] [Client thread/INFO]: Created: 512x256 textures/blocks-atlas

[15:51:51 INFO]: Client> [15:51:51] [Client thread/INFO]: Created: 256x256 textures/items-atlas

[15:51:51 INFO]: Client> #

[15:51:51 INFO]: Client> # A fatal error has been detected by the Java Runtime Environment:

[15:51:51 INFO]: Client> #

[15:51:51 INFO]: Client> #  EXCEPTION_ACCESS_VIOLATION (0xc0000005) at pc=0x05283e88, pid=4600, tid=5580

[15:51:51 INFO]: Client> #

[15:51:51 INFO]: Client> # JRE version: Java(TM) SE Runtime Environment (7.0_55-b14) (build 1.7.0_55-b14)

[15:51:51 INFO]: Client> # Java VM: Java HotSpot(TM) Client VM (24.55-b03 mixed mode, sharing windows-x86 )

[15:51:51 INFO]: Client> # Problematic frame:

[15:51:51 INFO]: Client> # C  [ig4dev32.dll+0x3e88]

[15:51:51 INFO]: Client> #

[15:51:51 INFO]: Client> # Failed to write core dump. Minidumps are not enabled by default on client versions of Windows

[15:51:51 INFO]: Client> #

[15:51:51 INFO]: Client> # An error report file with more information is saved as:

[15:51:51 INFO]: Client> # C:\Users\user\AppData\Roaming\.minecraft\hs_err_pid4600.log

[15:51:51 INFO]: Client> #

[15:51:51 INFO]: Client> # If you would like to submit a bug report, please visit:

[15:51:51 INFO]: Client> #   http://bugreport.sun.com/bugreport/crash.jsp

[15:51:51 INFO]: Client> # The crash happened outside the Java Virtual Machine in native code.

[15:51:51 INFO]: Client> # See problematic frame for where to report the bug.

[15:51:51 INFO]: Client> #

[15:51:51 INFO]: Client> AL lib: (EE) alc_cleanup: 1 device not closed

[15:51:51 ERROR]: Game ended with bad state (exit code 1)

[15:51:51 INFO]: Deleting C:\Users\user\AppData\Roaming\.minecraft\versions\1.7.9\1.7.9-natives-18601706056093

[15:51:51 INFO]: Ignoring visibility rule and showing launcher due to a game crash