Miért nem indul a minecraft?

Bad video card drivers!

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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 2013.02.03. 15:17

-- System Details --

Details:

Minecraft Version: 1.4.6

Operating System: Windows XP (x86) version 5.1

Java Version: 1.6.0_38, Sun Microsystems Inc.

Java VM Version: Java HotSpot(TM) Client VM (mixed mode, sharing), Sun Microsystems Inc.

Memory: 5876320 bytes (5 MB) / 24334336 bytes (23 MB) up to 518979584 bytes (494 MB)

JVM Flags: 1 total; -Xmx512m

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

LWJGL: 2.4.2

OpenGL: ~~ERROR~~ NullPointerException: null

Is Modded: Very likely; Jar signature invalidated

Type: Client (map_client.txt)

Texture Pack: Default

Profiler Position: N/A (disabled)

Vec3 Pool Size: ~~ERROR~~ NullPointerException: null[failed to get system properties (java.lang.NullPointerException)]

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: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(Minecraft.java:397)

at asq.a(SourceFile:56)

at net.minecraft.client.Minecraft.run(Minecraft.java:741)

at java.lang.Thread.run(Unknown Source)

--- END ERROR REPORT 7170c4c8 ----------

ezt írja ki ha be akarok lépni! op rendszer winxp régeben ment de most újra lett rakva és azota nem megy el valaki segitsen pls!