Game crashes alle the time

The game crashes all the time - either when I'm starting it up or when I have played some minutes. It comes with this message:

Completely ignored arguments: [--nativeLauncherVersion, 301]
[17:55:19] [Client thread/INFO]: Setting user: gabrielnhk
[17:55:20] [Client thread/INFO]: LWJGL Version: 2.9.4
[17:55:20] [Client thread/INFO]: Reloading ResourceManager: Default
[17:55:21] [Sound Library Loader/INFO]: Starting up SoundSystem...
[17:55:21] [Thread-5/INFO]: Initializing LWJGL OpenAL
[17:55:21] [Thread-5/INFO]: (The LWJGL binding of OpenAL. For more information, see http://www.lwjgl.org)
[17:55:21] [Thread-5/INFO]: OpenAL initialized.
[17:55:21] [Sound Library Loader/INFO]: Sound engine started
[17:55:23] [Client thread/INFO]: Created: 1024x512 textures-atlas
[17:55:43] [Server thread/INFO]: Starting integrated minecraft server version 1.9.4
[17:55:43] [Server thread/INFO]: Generating keypair
[17:55:44] [Server thread/INFO]: Preparing start region for level 0
[17:55:45] [Server thread/INFO]: Preparing spawn area: 19%
[17:55:46] [Server thread/INFO]: Preparing spawn area: 84%
[17:55:46] [Server thread/INFO]: Changing view distance to 12, from 10
[17:55:48] [Server thread/INFO]: gabrielnhk[local:E:b9f33fbf] logged in with entity id 307 at (191.23560829668315, 123.66390979302024, 17.30282491641774)
[17:55:48] [Server thread/INFO]: gabrielnhk joined the game
[17:55:52] [Server thread/WARN]: Can't keep up! Did the system time change, or is the server overloaded? Running 2625ms behind, skipping 52 tick(s)
[17:55:58] [Server thread/INFO]: Saving and pausing game...
[17:55:58] [Server thread/INFO]: Saving chunks for level 'Gabriel'/Overworld
[17:55:58] [Server thread/INFO]: Saving chunks for level 'Gabriel'/Nether
[17:55:58] [Server thread/INFO]: Saving chunks for level 'Gabriel'/The End
[17:57:34] [Server thread/INFO]: Saving and pausing game...
[17:57:34] [Server thread/INFO]: Saving chunks for level 'Gabriel'/Overworld
[17:57:34] [Server thread/INFO]: Saving chunks for level 'Gabriel'/Nether
[17:57:34] [Server thread/INFO]: Saving chunks for level 'Gabriel'/The End
[17:58:54] [Server thread/WARN]: Can't keep up! Did the system time change, or is the server overloaded? Running 4620ms behind, skipping 92 tick(s)
#

1. A fatal error has been detected by the Java Runtime Environment:
   #

2. EXCEPTION_ACCESS_VIOLATION (0xc0000005) at pc=0x00007ffdb24a6b37, pid=16272, tid=1452
   #

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 [ig8icd64.dll+0x16b37]
   #

7. Failed to write core dump. Minidumps are not enabled by default on client versions of Windows
   #

8. An error report file with more information is saved as:

9. C:\Users\Michael\AppData\Roaming\.minecraft\hs_err_pid16272.log
   #

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.
    #
    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

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