Fix corrupted Minecraft Worlds: A simple guide

Aleksandar Ognjanovic
by Aleksandar Ognjanovic
Troubleshooting Expert
Aleksandar's main passion is technology. With a solid writing background, he is determined to bring the bleeding edge to the common user. With a keen eye, he always spots the next big thing surrounding... Read more
Affiliate Disclosure
  • Creating the perfect world in Minecraft takes time and dedication, and the worst thing that can happen is for the world to get corrupted and become unplayable.
  • If your Minecraft world has been corrupted, then you can fix it by creating a new world and replacing the damaged files, or by using a dedicated tool.
  • Minecraft has been known to develop problems from time to time and for that reason, we have created a Minecraft Troubleshooting Page where we provide fixes for most issues.
  • For more guides on how to fix various gaming issues, the Gaming Hub is the place to look.
corrupted Minecraft world
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Fixing corrupted chunks or whole worlds in Minecraft isn’t necessarily a hard thing to do. Those corruptions rarely occur on the vanilla version of the game, but mods tend to break the game from time to time.

If you’re on the receiving end of this, we are sure you fancy restoring the corrupted world instead of starting from scratch. There are multiple ways to fix corrupted Minecraft worlds and we provided you with the two below.

How do I fix corrupted Minecraft worlds?

  1. Create a new world and retrieve data
  2. Try with the Region Fixer

1. Create a new world

The first thing you can do if your Minecraft world gets corrupt is to create a new world and use some of the data files to retrieve as much of the old world as possible. Have in mind that this applies to the world only, as all your belongings and wear are not recoverable. What you’ll need to do is to back up the corrupted save file and use some of its data files to restore it into a new

Follow these steps to recover corrupted Minecraft world:

    1. In the Windows Search bar, copy-paste the following line and press Enter:
      • %appdata%.minecraftsaves
    2. For the remainder of the tutorial, we’ll call the corrupted world World C. Copy the World C folder, rename it to World C and save it in the Saves folder.
    3. Start Minecraft and re-create the corrupted world as a new world.  Name it Blank, save it, and close Minecraft.
    4. Go back to Saves folder (%appdata%.minecraftsaves) and you should see a newly-created Blank world.
    5. Copy the following files from the Blank folder to backed up World C:
      • level.dat
      • level.dat_mcr (not always present)
      • level.dat_old
      • session.lock
    6. Restart Minecraft and load World C.

2. Try with the Region Fixer

If you have an older backup of your world, you can use the Region Fixer to restore it or remove everything from your server locally. Corrupt worlds will cause your server to crash and that’s the last thing we want. What you need to do is download your backup and the server world. Now you can use an older backup to restore the world instead of starting from scratch.

Here’s how to use Region Fixer:

    1. From the in-game Multicraft Control Panel, choose File and then Backup. Save your world and exit the game.
    2. Download your Minecraft server world to your PC.
    3. Download Region Fixer from Gitbub, and extract it.
    4. Open Command Prompt in the extracted Region Fixer window (Shift + Right Click) and enter the following commands:
      • cd <full directory path>
      • egionfixer.exe -p 4 –delete-corrupted <full directory path to world folder>
    5. Don’t forget to replace full directory path with the path to extracted Region Fixer and full directory path to world folder with the path to the World folder.
    6. Upload your world again with an FTP tool and look for changes.

With that said, we can conclude this article. Don’t forget to share alternative solutions or questions in the comments section below. If you’re still stuck with an error, consider posting your inquiry in the official forum or contacting support.



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Frequently Asked Questions

  • World corruption in Minecraft occurs when the game has been partially saved, usually as a result of a crash during the process of saving the world. This guide aims to help players who have had their worlds corrupted.

  • You can try to recover a corrupted world by replacing some of the data files, as shown in this guide.

  • If you cannot see your world in Minecraft, navigate to the worlds folder and see if the file is still present. If the file is there, then it could be that it is corrupted and therefore the game no longer recognises it as a valid world. Follow the steps in this guide to fix this issue.

  • For console players, you will want to uninstall Minecraft, delete your local saves (System > Storage > Clear local saved games), clear the MAC address (Network->Network settings->Advanced Settings->Alternate MAC Address->Clear), re-install the game and it should download the last cloud save. If this does not work, contact the Mojang support team.

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