Crash on startup

[Decster20]

Title: Crash on startup

Version: 3.1.3

OS: Windows 8

Java Version: 7.15

Description of Problem:

Launcher opens, but after logging in, it gets to the Mojang logo and crashes.

Error Messages:

Minecraft: Minecraft 1.2.5

OS: Windows 8 (x86) version 6.2

Java: 1.7.0_15, Oracle Corporation

VM: Java HotSpot Client VM (mixed mode), Oracle Corporation

LWJGL: 2.4.2

OpenGL: Intel® HD Graphics 4000 version 4.0.0 - Build 9.17.10.2932, Intel

java.lang.NullPointerException

at cpw.mods.fml.common.modloader.ModLoaderModContainer.init(ModLoaderModContainer.java:356)

at cpw.mods.fml.common.Loader.modInit(Loader.java:273)

at cpw.mods.fml.common.Loader.initializeMods(Loader.java:628)

at cpw.mods.fml.client.FMLClientHandler.onLoadComplete(FMLClientHandler.java:223)

at net.minecraft.client.Minecraft.a(Minecraft.java:429)

at net.minecraft.client.Minecraft.run(Minecraft.java:738)

at java.lang.Thread.run(Unknown Source)

Error Log: