Put the summary of the bug you're having here
when i open mine craft and go to a world it crashes. also if i go to a server it crashes. when i say it crashes i mean minecraft crashes i just got 1.9 so please help
What I expected to happen was...:
Describe what you thought should happen here
it should open a server or a world
What actually happened was...:
Describe what happened here
it crashed
Steps to Reproduce:
1. Put a step by step guide on how to trigger the bug here
2. ...?????????????????????????????????????????????????????????WHAT
3. ...?????????????????????????????????????????????????????????WHAT

#

1. A fatal error has been detected by the Java Runtime Environment:
   #
2. EXCEPTION_ACCESS_VIOLATION (0xc0000005) at pc=0x00007ffa9b042177, pid=4996, tid=5020
   #
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 [ig75icd64.dll+0x12177]
   #
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\milesertl\AppData\Roaming\.minecraft\hs_err_pid4996.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

---- Minecraft Crash Report ----
// My bad.

Time: 12/15/15 4:06 PM
Description: Ticking screen

java.lang.NullPointerException: Ticking screen
at com.mojang.realmsclient.gui.screens.RealmsCreateRealmScreen.tick(RealmsCreateRealmScreen.java:36)
at awr.e(SourceFile:126)
at ave.s(SourceFile:1513)
at ave.av(SourceFile:889)
at ave.a(SourceFile:325)
at net.minecraft.client.main.Main.main(SourceFile:124)

A detailed walkthrough of the error, its code path and all known details is as follows:
---------------------------------------------------------------------------------------

– Head –
Stacktrace:
at com.mojang.realmsclient.gui.screens.RealmsCreateRealmScreen.tick(RealmsCreateRealmScreen.java:36)
at awr.e(SourceFile:126)

– Affected screen –
Details:
Screen name: awr
Stacktrace:
at ave.s(SourceFile:1513)
at ave.av(SourceFile:889)
at ave.a(SourceFile:325)
at net.minecraft.client.main.Main.main(SourceFile:124)

– System Details –
Details:
Minecraft Version: 1.8.9
Operating System: Windows 10 (amd64) version 10.0
Java Version: 1.8.0_25, Oracle Corporation
Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
Memory: 83235512 bytes (79 MB) / 235376640 bytes (224 MB) up to 1060372480 bytes (1011 MB)
JVM Flags: 6 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx1G -XX:+UseConcMarkSweepGC -XX:+CMSIncrementalMode -XX:-UseAdaptiveSizePolicy -Xmn128M
IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
Launched Version: 1.8.9
LWJGL: 2.9.4
OpenGL: Intel(R) HD Graphics 4400 GL version 4.3.0 - Build 10.18.15.4256, Intel
GL Caps: Using GL 1.3 multitexturing.
Using GL 1.3 texture combiners.
Using framebuffer objects because OpenGL 3.0 is supported and separate blending is supported.
Shaders are available because OpenGL 2.1 is supported.
VBOs are available because OpenGL 1.5 is supported.

Using VBOs: No
Is Modded: Probably not. Jar signature remains and client brand is untouched.
Type: Client (map_client.txt)
Resource Packs: novaskin
Current Language: English (US)
Profiler Position: N/A (disabled)
CPU: 4x Intel(R) Core(TM) i5-4300U CPU @ 1.90GHz