I double click the Minecraft icon, the launcher loads, I click 'Play'. I see preparing, downloading, launching, already playing, then back to 'Play' and this game output information.

[11:20:01] [Client thread/INFO]: Setting user: Lorrainium
[11:20:01] [Client thread/INFO]: (Session ID is token:3ce187322ae14702a8305c08f210aefd:9ba1f96432ad408aad50256420219b1a)
[11:20:04] [Client thread/INFO]: LWJGL Version: 2.9.4
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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=0x0000000069b9a735, pid=3948, tid=7980
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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 [atio6axx.dll+0xb6a735]
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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\Lorraine\AppData\Roaming\.minecraft\hs_err_pid3948.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) 64-Bit Server VM warning: Using incremental CMS is deprecated and will likely be removed in a future release