Minecraft constant crash after i try to change servers and worlds

I have listed the message it says when it crashes please get this fixed soon its getting very annoying

Completely ignored arguments: [--nativeLauncherVersion, 307]
[16:51:00] [Client thread/INFO]: Setting user: xXLilyPatchXx
[16:51:01] [Client thread/INFO]: LWJGL Version: 2.9.4
[16:51:02] [Client thread/INFO]: Reloading ResourceManager: Default
[16:51:02] [Sound Library Loader/INFO]: Starting up SoundSystem...
[16:51:03] [Thread-5/INFO]: Initializing LWJGL OpenAL
[16:51:03] [Thread-5/INFO]: (The LWJGL binding of OpenAL.  For more information, see http://www.lwjgl.org)
[16:51:03] [Thread-5/INFO]: OpenAL initialized.
[16:51:03] [Sound Library Loader/INFO]: Sound engine started
[16:51:08] [Client thread/INFO]: Created: 1024x512 textures-atlas
[16:51:29] [Server thread/INFO]: Starting integrated minecraft server version 1.11
[16:51:29] [Server thread/INFO]: Generating keypair
[16:51:29] [Server thread/INFO]: Preparing start region for level 0
[16:51:30] [Server thread/INFO]: Preparing spawn area: 42%
[16:51:31] [Server thread/INFO]: Changing view distance to 13, from 10
[16:51:31] [Server thread/INFO]: xXLilyPatchXx[local:E:047417a5] logged in with entity id 128 at (-375.94702710689796, 83.88099104514708, -298.6371427224119)
[16:51:31] [Server thread/INFO]: xXLilyPatchXx joined the game
[16:51:32] [Server thread/WARN]: Skipping Entity with id minecraft:mithwoodforest.lion
#
# A fatal error has been detected by the Java Runtime Environment:
#
#  EXCEPTION_ACCESS_VIOLATION (0xc0000005) at pc=0x00007fff5e632257, pid=5468, tid=13428
#
# JRE version: Java(TM) SE Runtime Environment (8.0_25-b18) (build 1.8.0_25-b18)
# Java VM: Java HotSpot(TM) 64-Bit Server VM (25.25-b02 mixed mode windows-amd64 compressed oops)
# Problematic frame:
# C  [ig75icd64.dll+0x12257]
#
# Failed to write core dump. Minidumps are not enabled by default on client versions of Windows
#
# An error report file with more information is saved as:
# C:\Users\Kelli\AppData\Roaming\.minecraft\hs_err_pid5468.log
#
# If you would like to submit a bug report, please visit:
#   http://bugreport.sun.com/bugreport/crash.jsp
# The crash happened outside the Java Virtual Machine in native code.
# 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