Problema Minecraft

[Anto98]

Non trovando il topic ufficiale di Minecraft ne creo uno nuovo. Dopo aver aggiornato Java alla versione 7, all'apertura di Minecraft trovo il seguente errore.



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 21/11/11 23.03

Minecraft: Minecraft 1.0.0
OS: Windows Vista (x86) version 6.0
Java: 1.7.0_02-ea, 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.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:237)
at net.minecraft.client.Minecraft.run(SourceFile:644)
at java.lang.Thread.run(Unknown Source)
--- END ERROR REPORT b70b4fb7 ----------


Qualcuno saprebbe aiutarmi? Grazie in anticipo.