Minecraft crashed in the title screen

[21:38:18] [Server thread/INFO]: Stopping server
[21:38:18] [Server thread/INFO]: Saving players
[21:38:18] [Server thread/INFO]: Saving worlds
[21:38:18] [Server thread/INFO]: Saving chunks for level 'QWERTYUIOP'/Overworld
[21:38:18] [Server thread/INFO]: Saving chunks for level 'QWERTYUIOP'/Nether
[21:38:18] [Server thread/INFO]: Saving chunks for level 'QWERTYUIOP'/The End
[21:38:36] [Client thread/FATAL]: Reported exception thrown!
e: Ticking screen
	at ayh.s(SourceFile:1501) ~[15w32c.jar:?]
	at ayh.at(SourceFile:874) ~[15w32c.jar:?]
	at ayh.a(SourceFile:323) [15w32c.jar:?]
	at net.minecraft.client.main.Main.main(SourceFile:125) [15w32c.jar:?]
Caused by: java.lang.NullPointerException
	at ek.l(SourceFile:368) ~[15w32c.jar:?]
	at bgo.a(SourceFile:242) ~[15w32c.jar:?]
	at bck.e(SourceFile:113) ~[15w32c.jar:?]
	at ayh.s(SourceFile:1491) ~[15w32c.jar:?]
	... 3 more
---- Minecraft Crash Report ----
// You're mean.

Time: 8/9/15 9:38 PM
Description: Ticking screen

java.lang.NullPointerException: Ticking screen
	at ek.l(SourceFile:368)
	at bgo.a(SourceFile:242)
	at bck.e(SourceFile:113)
	at ayh.s(SourceFile:1491)
	at ayh.at(SourceFile:874)
	at ayh.a(SourceFile:323)
	at net.minecraft.client.main.Main.main(SourceFile:125)


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

-- Head --
Stacktrace:
	at ek.l(SourceFile:368)
	at bgo.a(SourceFile:242)
	at bck.e(SourceFile:113)

-- Affected screen --
Details:
	Screen name: bck
Stacktrace:
	at ayh.s(SourceFile:1491)
	at ayh.at(SourceFile:874)
	at ayh.a(SourceFile:323)
	at net.minecraft.client.main.Main.main(SourceFile:125)

-- System Details --
Details:
	Minecraft Version: 15w32c
	Operating System: Windows 8.1 (amd64) version 6.3
	Java Version: 1.8.0_25, Oracle Corporation
	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
	Memory: 371912400 bytes (354 MB) / 616665088 bytes (588 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: 13, tallocated: 95
	Launched Version: 15w32c
	LWJGL: 2.9.4
	OpenGL: Intel(R) HD Graphics GL version 4.0.0 - Build 10.18.10.3408, 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: 
	Current Language: English (UK)
	Profiler Position: N/A (disabled)
	CPU: 2x Intel(R) Celeron(R) CPU N2830 @ 2.16GHz
#@!@# Game crashed! Crash report saved to: #@!@# C:\Users\Computer\AppData\Roaming\.minecraft\crash-reports\crash-2015-08-09_21.38.36-client.txt
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

Description: Ticking screen

java.lang.NullPointerException: Ticking screen
	at ek.l(SourceFile:368)
	at bgo.a(SourceFile:242)
	at bck.e(SourceFile:113)
	at ayh.s(SourceFile:1491)
	at ayh.at(SourceFile:874)
	at ayh.a(SourceFile:323)
	at net.minecraft.client.main.Main.main(SourceFile:125)