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Minecraft 26.3 Is Completely Unlaunchable on My PC

Minecraft 26.3 refuses to launch on my PC, and I'm genuinely fed up with how much time I've wasted trying to fix it.

When I launch the game, Java starts running in the background, but no Minecraft window appears. CPU usage stays around 6%, memory usage fluctuates and eventually stops progressing, and the game remains stuck. The log stops shortly after SDL initializes and Minecraft reports that it is forcing OpenGL after an unexpected shutdown.

My PC has an AMD Radeon RX 6800 XT and a Ryzen 7 9700X. Minecraft 1.21.11 launches and works normally on the exact same hardware, but 26.3 fails in both the official Minecraft Launcher and Lunar Client.

I've restarted my PC, reset the game settings, checked the logs, and investigated the Java process using Windows tools. Nothing has fixed the problem.

Players shouldn't have to spend hours troubleshooting just to launch a game, especially when an older version works perfectly on the same computer. I understand that bugs happen, but a version that won't even open a window is an extremely frustrating experience.

Please investigate startup hangs in Minecraft 26.3, particularly the possibility of issues during SDL or graphics initialization on AMD systems. I haven't confirmed the exact cause, but something is clearly going wrong during startup.

I enjoy Minecraft, but this experience has made me give up on playing it for now. Please take these reports seriously and help players understand how to resolve this issue.

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    Registered User commented
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    Hey there!
    I had the same issue as you and was able to resolve it.

    If you have MSI Afterburner or Rivia Tuner, disable both of them and try launching. It worked for me after turning both of those off.

     

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    Registered User commented
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    Thank you! It works now.

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    Registered User commented
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    The only issue I seem to have is with the server lag. Many times when I picked up items I got double. The server as well kept on telling me that it's placing a temp block so I would not fall through the world.  As well, as I'm on a older world, I was getting a large amount of server errors around villages. Errors where so bad my server log file got well up over 14MB is size. I had to go back to version 1.21.11.