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 7/24/12 8:11 PM
- Minecraft Version: 12w30c
- Operating System: Windows XP (x86) version 5.1
- Java Version: 1.7.0_05, Oracle Corporation
- Java VM Version: Java HotSpot(TM) Client VM (mixed mode), Oracle Corporation
- Memory: 435508944 bytes (415 MB) / 518979584 bytes (494 MB) up to 1037959168 bytes (989 MB)
- LWJGL: 2.4.2
- OpenGL: ~ERROR~ NullPointerException: null
- Is Modded: Probably not
- Type: Client
- Profiler Position: N/A (disabled)[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(SourceFile:233)
at net.minecraft.client.Minecraft.run(SourceFile:516)
at java.lang.Thread.run(Unknown Source)
--- END ERROR REPORT 4589e373 ----------This is on the new snapshot
-----------------------
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 7/24/12 8:11 PM
- Minecraft Version: 12w30c
- Operating System: Windows XP (x86) version 5.1
- Java Version: 1.7.0_05, Oracle Corporation
- Java VM Version: Java HotSpot(TM) Client VM (mixed mode), Oracle Corporation
- Memory: 435508944 bytes (415 MB) / 518979584 bytes (494 MB) up to 1037959168 bytes (989 MB)
- LWJGL: 2.4.2
- OpenGL: ~ERROR~ NullPointerException: null
- Is Modded: Probably not
- Type: Client
- Profiler Position: N/A (disabled)[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(SourceFile:233)
at net.minecraft.client.Minecraft.run(SourceFile:516)
at java.lang.Thread.run(Unknown Source)
--- END ERROR REPORT 4589e373 ----------This is on the new snapshot
It shows you how to fix errors like yours. Hope this helps!
Hmm, try searching for a video on Youtube or going on Google and searching the problem. That usually works for me.