Minecraft Crash :s

Hello!

I always crash when I start minecraft, I don't know why.
I also have re-installed minecraft, but it didn't help anything. :s

Crash report:

Minecraft has crashed!
----------------------

Minecraft has stopped running because it encountered a problem; Failed to start game
This error has been saved to C:\Users\Stef\AppData\Roaming\.minecraft\crash-reports\crash-2012-10-16_19.58.40-client.txt for your convenience. Please include a copy of this file if you report this crash to anyone.



--- BEGIN ERROR REPORT a6439f7 --------
Generated 16/10/12 19:58

- Minecraft Version: 1.3.2
- Operating System: Windows 7 (amd64) version 6.1
- Java Version: 1.7.0_07, Oracle Corporation
- Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
- Memory: 406103544 bytes (387 MB) / 514523136 bytes (490 MB) up to 954466304 bytes (910 MB)
- JVM Flags: 2 total; -Xms512m -Xmx1024m
- LWJGL: 2.4.2
- OpenGL: ~ERROR~ NullPointerException: null
- Is Modded: Probably not
- Type: Client
- Texture Pack: ~ERROR~ NullPointerException: null
- Profiler Position: N/A (disabled)[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:233)
at net.minecraft.client.Minecraft.run(SourceFile:516)
at java.lang.Thread.run(Unknown Source)
--- END ERROR REPORT a009bd74 ----------


Please help me. I don't know what to do.
I'm almost dieing because I can't play minecraft, I've not played for 33 minutes now! (<-- nonsense)
So if you know the answer, reply here.

Thanks in advance!

Regards
Bandit