Letöltöttem a minecraft-ot, de nem indul, mit tegyek?

Nos, letöltöttem a minecraft-ot, elindítottam, beírtam a játékosnevem erre pár másodperc töltés után ezt írta ki:

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 support@mojang.com.

Please include a description of what you did when the error occured.

--- BEGIN ERROR REPORT a1dce528 --------

Generated 2012.05.12. 14:54

Minecraft: Minecraft Beta 1.7.3

OS: Windows XP (x86) version 5.1

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:294)

at net.minecraft.client.Minecraft.run(SourceFile:716)

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

--- END ERROR REPORT c5d67b54 ----------

Mit csináljak hogy menjen a game?

Előre is köszi a válaszokat!