hey leuts
immer wenn ich minecraft starte erscheint folgender fehler
Minecraft has crashed!
----------------------
Minecraft has stopped running because it encountered a problem.
If you wish to report this, please copy this entire text and email it to

.
Please include a description of what you did when the error occured.
--- BEGIN ERROR REPORT a1dce528 --------
Generated 01.04.11 13:46
Minecraft: Minecraft Alpha v1.2.3_01
OS: Windows XP (x86) version 5.1
Java: 1.6.0_24, Sun Microsystems Inc.
VM: Java HotSpot(TM) Client VM (mixed mode), Sun Microsystems Inc.
LWJGL: 2.4.2
[failed to get system properties (java.lang.NullPointerException)]
org.lwjgl.LWJGLException: Could not create context
at org.lwjgl.opengl.WindowsContextImplementation.nCre ate(Native Method)
at org.lwjgl.opengl.WindowsContextImplementation.crea te(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:201)
at net.minecraft.client.Minecraft.run(SourceFile:563)
at java.lang.Thread.run(Unknown Source)
--- END ERROR REPORT 2ead4ae8 ----------