Minecraft Crash Report

Bonjour, j'ai un problème avec minecraft qui crash ! Il s'affiche : - Minecraft Crash Report ----
// Why did you do that?

Time: 23/08/15 14:36
Description: Initializing game

java.lang.IllegalStateException: glGetString(GL_VERSION) returned null - possibly caused by missing current context.
at org.lwjgl.opengl.GLContext.getSupportedExtensions(GLContext.java:230)
at org.lwjgl.opengl.ContextCapabilities.initAllStubs(ContextCapabilities.java:5802)
at org.lwjgl.opengl.ContextCapabilities.<init>(ContextCapabilities.java:6240)
at org.lwjgl.opengl.GLContext.useContext(GLContext.java:374)
at org.lwjgl.opengl.ContextGL.makeCurrent(ContextGL.java:195)
at org.lwjgl.opengl.DrawableGL.makeCurrent(DrawableGL.java:110)
at org.lwjgl.opengl.Display.makeCurrent(Display.java:706)
at org.lwjgl.opengl.Display.makeCurrentAndSetSwapInterval(Display.java:1025)
at org.lwjgl.opengl.Display.create(Display.java:852)
at org.lwjgl.opengl.Display.create(Display.java:757)
at ave.ap(SourceFile:521)
at ave.am(SourceFile:363)
at ave.a(SourceFile:310)
at net.minecraft.client.main.Main.main(SourceFile:124)


A detailed walkthrough of the error, its code path and all known details is as follows:
---------------------------------------------------------------------------------------

-- Head --
Stacktrace:
at org.lwjgl.opengl.GLContext.getSupportedExtensions(GLContext.java:230)
at org.lwjgl.opengl.ContextCapabilities.initAllStubs(ContextCapabilities.java:5802)
at org.lwjgl.opengl.ContextCapabilities.<init>(ContextCapabilities.java:6240)
at org.lwjgl.opengl.GLContext.useContext(GLContext.java:374)
at org.lwjgl.opengl.ContextGL.makeCurrent(ContextGL.java:195)
at org.lwjgl.opengl.DrawableGL.makeCurrent(DrawableGL.java:110)
at org.lwjgl.opengl.Display.makeCurrent(Display.java:706)
at org.lwjgl.opengl.Display.makeCurrentAndSetSwapInterval(Display.java:1025)
at org.lwjgl.opengl.Display.create(Display.java:852)
at org.lwjgl.opengl.Display.create(Display.java:757)
at ave.ap(SourceFile:521)
at ave.am(SourceFile:363)

-- Initialization --
Details:
Stacktrace:
at ave.a(SourceFile:310)
at net.minecraft.client.main.Main.main(SourceFile:124)

-- System Details --
Details:
Minecraft Version: 1.8.8
Operating System: Windows 7 (amd64) version 6.1
Java Version: 1.8.0_25, Oracle Corporation
Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
Memory: 63240728 bytes (60 MB) / 159326208 bytes (151 MB) up to 1060372480 bytes (1011 MB)
JVM Flags: 6 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx1G -XX:+UseConcMarkSweepGC -XX:+CMSIncrementalMode -XX:-UseAdaptiveSizePolicy -Xmn128M
IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
Launched Version: 1.8.8
LWJGL: 2.9.4
OpenGL: null GL version null, null
GL Caps:
Using VBOs: No
Is Modded: Probably not. Jar signature remains and client brand is untouched.
Type: Client (map_client.txt)
Resource Packs:
Current Language: ~~ERROR~~ NullPointerException: null
Profiler Position: N/A (disabled)
CPU: <unknown> pourtant j'ai déjà supprimer 2 fois mon fichier .minecraft et redémmeare mais ce message s'affiche encore...
Merci de m'aider !