Bad video card drivers!
-----------------------

Minecraft was unable to start because it failed to find an accelerated OpenGL mode.
This can usually be fixed by updating the video card drivers.

--- BEGIN ERROR REPORT 7fe0271 --------
Generated 08/11/11 23:07

Minecraft: Minecraft Beta 1.8.1
OS: Windows XP (x86) version 5.1
Java: 1.6.0_22, Sun Microsystems Inc.
VM: Java HotSpot(TM) Client VM (mixed mode), Sun Microsystems Inc.
LWJGL: 2.4.2
[failed to get system properties (java.lang.NullPointerException)]

org.lwjgl.LWJGLException: Pixel format not accelerated
at

org.lwjgl.opengl.WindowsPeerInfo.nChoosePixelForma

t(Native Method)
at

org.lwjgl.opengl.WindowsPeerInfo.choosePixelFormat

(WindowsPeerInfo.java:52)
at

org.lwjgl.opengl.WindowsDisplay.createWindow(Windo

wsDisplay.java:185)
at

org.lwjgl.opengl.Display.createWindow(Display.java

:311)
at
org.lwjgl.opengl.Display.create(Display.java:856)

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:629)

at java.lang.Thread.run(Unknown Source)
--- END ERROR REPORT 5ca478d3 ----------

Que doit-je faire?

Met à jours ta carte graphique.

Déjà essayé, avec un tuto et sa veut pas (pc remplit de virus).