crashed game

Minecraft Crash Report ----
// On the bright side, I bought you a teddy bear!

Time: 03/07/13 01:29 ص
Description: Initializing game

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.ContextGL.<init>(ContextGL.java:132)
	at org.lwjgl.opengl.Display.create(Display.java:850)
	at org.lwjgl.opengl.Display.create(Display.java:757)
	at org.lwjgl.opengl.Display.create(Display.java:739)
	at atn.O(SourceFile:299)
	at atn.d(SourceFile:598)
	at net.minecraft.client.main.Main.main(SourceFile:101)


A detailed walkthrough of the error, its code path and all known details is as follows:
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-- Head --
Stacktrace:
	at org.lwjgl.opengl.WindowsContextImplementation.nCreate(Native Method)
	at org.lwjgl.opengl.WindowsContextImplementation.create(WindowsContextImplementation.java:50)
	at org.lwjgl.opengl.ContextGL.<init>(ContextGL.java:132)
	at org.lwjgl.opengl.Display.create(Display.java:850)
	at org.lwjgl.opengl.Display.create(Display.java:757)
	at org.lwjgl.opengl.Display.create(Display.java:739)
	at atn.O(SourceFile:299)

-- Initialization --
Details:
Stacktrace:
	at atn.d(SourceFile:598)
	at net.minecraft.client.main.Main.main(SourceFile:101)

-- System Details --
Details:
	Minecraft Version: 1.6.1
	Operating System: Windows 7 (amd64) version 6.1
	Java Version: 1.6.0_22, Sun Microsystems Inc.
	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Sun Microsystems Inc.
	Memory: 134241592 bytes (128 MB) / 160563200 bytes (153 MB) up to 954466304 bytes (910 MB)
	JVM Flags: 1 total; -Xmx1G
	AABB Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
	Suspicious classes: No suspicious classes found.
	IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
	Launched Version: 1.6.1
	LWJGL: 2.9.0
	OpenGL: ~~ERROR~~ RuntimeException: No OpenGL context found in the current thread.
	Is Modded: Probably not. Jar signature remains and client brand is untouched.
	Type: Client (map_client.txt)
	Resource Pack: Default
	Profiler Position: N/A (disabled)
	Vec3 Pool Size: ~~ERROR~~ NullPointerException: null