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I've already tried to forceupdate it several times.

After I log in, it goes dark, then I get the error message below.

Ideas?

---- Minecraft Crash Report ----
// Don't be sad. I'll do better next time, I promise!

Time: 8/4/12 2:18 PM
Description: Failed to start game

java.lang.IllegalStateException: Only one LWJGL context may be instantiated at any one time.
    at org.lwjgl.opengl.Display.create(Display.java:846)
    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(Thread.java:679)

Relevant Details:
 - Minecraft Version: 1.3.1
 - Operating System: Linux (i386) version 2.6.38-8-generic
 - Java Version: 1.6.0_24, Sun Microsystems Inc.
 - Java VM Version: OpenJDK Client VM (mixed mode, sharing), Sun Microsystems Inc.
 - Memory: 3767152 bytes (3 MB) / 29392896 bytes (28 MB) up to 1037959168 bytes (989 MB)
 - JVM Flags: 1 total; -Xmx1024m
 - LWJGL: 2.4.2
 - OpenGL: ~ERROR~ NullPointerException: null
 - Is Modded: Probably not
 - Type: Client
 - Texture Pack: ~ERROR~ NullPointerException: null
 - Profiler Position: N/A (disabled)
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closed as off topic by Jorge Castro, Eliah Kagan, Mitch, Uri Herrera, fossfreedom Aug 24 '12 at 15:19

Questions on Ask Ubuntu are expected to relate to Ubuntu within the scope defined by the community. Consider editing the question or leaving comments for improvement if you believe the question can be reworded to fit within the scope. Read more about reopening questions here.If this question can be reworded to fit the rules in the help center, please edit the question.

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Welcome to Ask Ubuntu! This question should instead be filed as a bug report, and as such is off-topic, thanks! Instructions on filing a bug report are here. –  Jorge Castro Aug 5 '12 at 19:18
    
@JorgeCastro Can bugs in Minecraft really be reported using any of the methods detailed in that question? –  Eliah Kagan Aug 24 '12 at 0:55
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1 Answer 1

That's strange, try replacing minecraft.jar, it's possible that there's a problem with it. I think you'll be able to keep your stats and settings, but just in case, make a backup.

  1. Go to your file browser,
  2. View>Show Hidden Files,
  3. Copy .minecraft into Documents and rename it without the period.
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No, it gives the same error message –  KaYaK Aug 4 '12 at 20:36
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