Minecraft use to run fine and all of a sudden it stopped working and constantly pops up with a crash report. I changed the version of the launcher to be able to get this message because I couldn't open the crash report on the latest version.

Completely ignored arguments: [--nativeLauncherVersion, 601, --nativeLauncherVersion, 601]
[13:48:08] [Client thread/INFO]: Setting user: Creeper_Josie
[13:48:13] [Client thread/INFO]: LWJGL Version: 3.2.2 build 10
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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=0x000000006313b665, pid=9024, tid=10604
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3. JRE version: Java(TM) SE Runtime Environment (8.0_51-b16) (build 1.8.0_51-b16)
4. Java VM: Java HotSpot(TM) 64-Bit Server VM (25.51-b03 mixed mode windows-amd64 compressed oops)
5. Problematic frame:
6. C [atio6axx.dll+0xffb665]
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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\Josie\AppData\Roaming\.minecraft\hs_err_pid9024.log
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10. If you would like to submit a bug report, please visit:
11. http://bugreport.java.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