crash at launch

[20:13:58] [Client thread/INFO]: Setting user: Txxxxxxxx
[20:13:58] [Client thread/INFO]: (Session ID is token:3b50a12b13ed47d8bd4c22156a9f7c51:e1d2429a58d54e619df5a2afd3f8dbd8)
[20:14:02] [Client thread/INFO]: LWJGL Version: 2.9.4
Execution protection violation
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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=0x29bdd640, pid=4844, tid=4880
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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 0x29bdd640
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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\Bassuener\AppData\Roaming\.minecraft\hs_err_pid4844.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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    Java HotSpot(TM) Client VM warning: Using incremental CMS is deprecated and will likely be removed in a future release