So basically my Minecraft 1.8 will not launch. I click play, it starts and goes to the Mojang logo then crashes. Help!

Crash:

[17:31:42] [Client thread/INFO]: Setting user: ZombieBoy092502
[17:31:42] [Client thread/INFO]: (Session ID is token:9039ef4fc1df46e3aa167eceb62be567:a3bd282b651c4f3fb17177c389473b97)
[17:31:45] [Client thread/INFO]: LWJGL Version: 2.9.1
[17:31:47] [Client thread/INFO]: Reloading ResourceManager: Default, faithful32pack.zip
[17:31:49] [Sound Library Loader/INFO]: Starting up SoundSystem...
[17:31:49] [Thread-6/INFO]: Initializing LWJGL OpenAL
[17:31:49] [Thread-6/INFO]: (The LWJGL binding of OpenAL. For more information, see http://www.lwjgl.org)
[17:31:49] [Thread-6/INFO]: OpenAL initialized.
[17:31:50] [Sound Library Loader/INFO]: Sound engine started
[17:32:37] [Client thread/INFO]: Created: 1024x1024 textures-atlas
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1. A fatal error has been detected by the Java Runtime Environment:
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2. EXCEPTION_ACCESS_VIOLATION (0xc0000005) at pc=0x28263e88, pid=2560, tid=6284
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3. JRE version: Java(TM) SE Runtime Environment (8.0_25-b18) (build 1.8.0_25-b18)
4. Java VM: Java HotSpot(TM) Client VM (25.25-b02 mixed mode windows-x86 )
5. Problematic frame:
6. C [ig4dev32.dll+0x3e88]
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7. Failed to write core dump. Minidumps are not enabled by default on client versions of Windows
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8. An error report file with more information is saved as:
9. C:\Users\Seth\AppData\Roaming\.minecraft\hs_err_pid2560.log
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10. If you would like to submit a bug report, please visit:
11. http://bugreport.sun.com/bugreport/crash.jsp
12. The crash happened outside the Java Virtual Machine in native code.
13. See problematic frame for where to report the bug.
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    AL lib: (EE) alc_cleanup: 1 device not closed
    Java HotSpot(TM) Client VM warning: Using incremental CMS is deprecated and will likely be removed in a future release