estava jogando minecraft bem de boa ai sai para instlar um mod (RetroSounds) ai nao deu certo eu dei auto update e meu minecraft de esse erro ai :

Minecraft has crashed!

----------------------

Minecraft has stopped running because it encountered a problem.

--- BEGIN ERROR REPORT 7cf3a456 --------

Generated 19/05/12 22:39

Minecraft: Minecraft 1.2.5

OS: Windows 7 (x86) version 6.1

Java: 1.7.0_04, Oracle Corporation

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

LWJGL: 2.4.2

[failed to get system properties (java.lang.NullPointerException)]

org.lwjgl.LWJGLException: Could not create context

at org.lwjgl.opengl.WindowsContextImplementation.nCreate(Native Method)

at org.lwjgl.opengl.WindowsContextImplementation.create(WindowsContextImplementation.java:50)

at org.lwjgl.opengl.Context.<init>(Context.java:120)

at org.lwjgl.opengl.Display.create(Display.java:858)

at org.lwjgl.opengl.Display.create(Display.java:784)

at org.lwjgl.opengl.Display.create(Display.java:765)

at net.minecraft.client.Minecraft.a(SourceFile:236)

at net.minecraft.client.Minecraft.run(SourceFile:657)

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

--- END ERROR REPORT 26cc0ece ----------

porfavor me ajudem HELP ME