Crash report

---- Minecraft Crash Report ----
// I blame Dinnerbone.

Time: 1/3/15 6:01 PM
Description: Unexpected error

java.lang.NullPointerException: Unexpected error
	at tv.twitch.ErrorCode.failed(ErrorCode.java:289)
	at czu.a(SourceFile:1578)
	at czu.K(SourceFile:1315)
	at daq.g(SourceFile:185)
	at bss.at(SourceFile:941)
	at bss.a(SourceFile:317)
	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:
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-- System Details --
Details:
	Minecraft Version: 1.8.1
	Operating System: Windows XP (x86) version 5.1
	Java Version: 1.7.0_71, Oracle Corporation
	Java VM Version: Java HotSpot(TM) Client VM (mixed mode), Oracle Corporation
	Memory: 55084928 bytes (52 MB) / 130072576 bytes (124 MB) up to 1037959168 bytes (989 MB)
	JVM Flags: 2 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx1G
	IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
	Launched Version: 1.8.1
	LWJGL: 2.9.1
	OpenGL: GeForce 210/PCIe/SSE2 GL version 3.3.0, NVIDIA Corporation
	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 (US)
	Profiler Position: N/A (disabled)