i have got this problem,i have tried everything already and i give up.my last chance is with you .i assume many people could typed the same issue but i just can not find it!

Completely ignored arguments: [--nativeLauncherVersion, 1206]
[18:55:55] [Client thread/INFO]: Setting user: IeatPO
[18:55:57] [Client thread/INFO]: LWJGL Version: 2.9.4
[18:55:58] [Client thread/INFO]: Reloading ResourceManager: Default
[18:55:59] [Sound Library Loader/INFO]: Starting up SoundSystem...
[18:55:59] [Thread-5/INFO]: Initializing LWJGL OpenAL
[18:55:59] [Thread-5/INFO]: (The LWJGL binding of OpenAL. For more information, see http://www.lwjgl.org)
[18:56:02] [Thread-5/INFO]: OpenAL initialized.
[18:56:02] [Sound Library Loader/INFO]: Sound engine started
[18:56:06] [Client thread/INFO]: Created: 1024x512 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=0x000000005a8b55ec, pid=4256, tid=4052
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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) 64-Bit Server VM (25.25-b02 mixed mode windows-amd64 compressed oops)
5. Problematic frame:
6. C [ig4dev64.dll+0x55ec]
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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\User1\AppData\Roaming\.minecraft\hs_err_pid4256.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) 64-Bit Server VM warning: Using incremental CMS is deprecated and will likely be removed in a future release