A Mineshafter-em egyfolytában becrashel ha elindítom mi lehet az oka?

Ezt írja ki a Mineshafter:

---- Minecraft Crash Report ----

// I blame Dinnerbone.

Time: 2014.11.17. 14:02

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:252)

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 bsu.am(SourceFile:523)

at bsu.aj(SourceFile:352)

at bsu.a(SourceFile:299)

at net.minecraft.client.main.Main.main(SourceFile:120)

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

---------------------------------------------------------------------------------------

-- Head --

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:252)

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 bsu.am(SourceFile:523)

at bsu.aj(SourceFile:352)

-- Initialization --

Details:

Stacktrace:

at bsu.a(SourceFile:299)

at net.minecraft.client.main.Main.main(SourceFile:120)

-- System Details --

Details:

Minecraft Version: 1.8

Operating System: Windows 7 (x86) version 6.1

Java Version: 1.7.0_67, Oracle Corporation

Java VM Version: Java HotSpot(TM) Client VM (mixed mode), Oracle Corporation

Memory: 19096488 bytes (18 MB) / 161931264 bytes (154 MB) up to 523501568 bytes (499 MB)

JVM Flags: 6 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx512M -XX:+UseConcMarkSweepGC -XX:+CMSIncrementalMode -XX:-UseAdaptiveSizePolicy -Xmn128M

IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0

Launched Version: 1.8

LWJGL: 2.9.1

OpenGL: ~~ERROR~~ RuntimeException: No OpenGL context found in the current thread.

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)