Crash Report Az launcher ( Minecraft)

Bonjours
Suite a un changement de version de Windows sur mon pc mon Minecraft ne marche plus quand j'appuie sur PLAY j'attend quelque minute et après me dit


---- Minecraft Crash Report ----
// Daisy, daisy...

Time: 05/11/17 09:37
Description: Initializing game

org.lwjgl.LWJGLException: Pixel format not accelerated
at org.lwjgl.opengl.WindowsPeerInfo.nChoosePixelFormat(Native Method)
at org.lwjgl.opengl.WindowsPeerInfo.choosePixelFormat(WindowsPeerInfo.java:52)
at org.lwjgl.opengl.WindowsDisplay.createWindow(WindowsDisplay.java:247)
at org.lwjgl.opengl.Display.createWindow(Display.java:306)
at org.lwjgl.opengl.Display.create(Display.java:848)
at org.lwjgl.opengl.Display.create(Display.java:757)
at org.lwjgl.opengl.Display.create(Display.java:739)
at bcd.ap(SourceFile:601)
at bcd.an(SourceFile:437)
at bcd.a(SourceFile:384)
at net.minecraft.client.main.Main.main(SourceFile:124)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at com.az.launcher.pvpfix.PvPFix.executeMain(PvPFix.java:21)
at com.az.launcher.pvpfix.Main.run(Main.java:25)
at com.az.launcher.pvpfix.Continue.main(Continue.java:8)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at net.minecraft.launchwrapper.Launch.launch(Launch.java:135)
at net.minecraft.launchwrapper.Launch.main(Launch.java:28)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at com.az.launcher.pvpfix.PvPFix.executeMain(PvPFix.java:21)
at com.az.launcher.pvpfix.PvPFix.execute(PvPFix.java:85)
at com.az.launcher.pvpfix.Main.run(Main.java:17)
at com.az.launcher.pvpfix.Main.main(Main.java:9)


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

-- Head --
Thread: Client thread
Stacktrace:
at org.lwjgl.opengl.WindowsPeerInfo.nChoosePixelFormat(Native Method)
at org.lwjgl.opengl.WindowsPeerInfo.choosePixelFormat(WindowsPeerInfo.java:52)
at org.lwjgl.opengl.WindowsDisplay.createWindow(WindowsDisplay.java:247)
at org.lwjgl.opengl.Display.createWindow(Display.java:306)
at org.lwjgl.opengl.Display.create(Display.java:848)
at org.lwjgl.opengl.Display.create(Display.java:757)
at org.lwjgl.opengl.Display.create(Display.java:739)
at bcd.ap(SourceFile:601)
at bcd.an(SourceFile:437)

-- Initialization --
Details:
Stacktrace:
at bcd.a(SourceFile:384)
at net.minecraft.client.main.Main.main(SourceFile:124)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at com.az.launcher.pvpfix.PvPFix.executeMain(PvPFix.java:21)
at com.az.launcher.pvpfix.Main.run(Main.java:25)
at com.az.launcher.pvpfix.Continue.main(Continue.java:8)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at net.minecraft.launchwrapper.Launch.launch(Launch.java:135)
at net.minecraft.launchwrapper.Launch.main(Launch.java:28)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at com.az.launcher.pvpfix.PvPFix.executeMain(PvPFix.java:21)
at com.az.launcher.pvpfix.PvPFix.execute(PvPFix.java:85)
at com.az.launcher.pvpfix.Main.run(Main.java:17)
at com.az.launcher.pvpfix.Main.main(Main.java:9)

-- System Details --
Details:
Minecraft Version: 1.9.4
Operating System: Windows 7 (amd64) version 6.1
Java Version: 1.8.0_151, Oracle Corporation
Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
Memory: 97899248 bytes (93 MB) / 169549824 bytes (161 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: 1.9.4-Optifine
LWJGL: 2.9.4
OpenGL: ~~ERROR~~ RuntimeException: No OpenGL context found in the current thread.
GL Caps:
Using VBOs: Yes
Is Modded: Very likely; Jar signature invalidated
Type: Client (map_client.txt)
Resource Packs:
Current Language: ~~ERROR~~ NullPointerException: null
Profiler Position: N/A (disabled)
CPU: bcd$7@38d80d65


Je ne sais pas quoi faire surtout que mon pc n'as pas terminer c'est mise a jour et que j'ai installer Java et directx mais il ne marche pas.
Pouvez vous m'aider
Merci
Cordialement Alaindu37