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How To Fix Minecraft Error: A JNI Error Has Occurred, Please Check Your Installation

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Answer

This error is usually caused by your outdated java files or when your installation files are corrupted. First, make sure to update Java on your PC. Navigate to the official Java download page. Scroll down, and in the Windows tab, download the x64 installer. The download should only take seconds to minutes, depending on your network connection. When the download is complete, double-click the downloaded.exe file and proceed with the Java SE Development Kit installation. After the installation is complete, your Java files will be updated.

Download Latest Java SDK Files

This error is usually caused by your outdated java files or when your installation files are corrupted. First, make sure to update Java on your PC. Navigate to the official Java download page.

Download Windows x64 Java Installer
Download Windows x64 Java Installer

Run Java SE Development Kit Installer

Scroll down, and in the Windows tab, download the x64 installer. The download should only take seconds to minutes, depending on your network connection. When the download is complete, double-click the downloaded .exe file and proceed with the Java SE Development Kit installation. After the installation is complete, your Java files will be updated.

Run Java Installer
Run Java Installer

Windows Update

Next, open up your system settings. In the Windows Update section, click on Check for Updates. You might be required to download additional files. Restart your PC to install the Windows and Java update. After a system restart, you can reopen the Minecraft launcher and start the game without getting an error.

Windows Settings > Windows Update
Windows Settings > Windows Update

Video walkthrough

If it does not work

  • What is the Minecraft Error: A JNI Error Has Occurred, Please Check Your Installation?. The Minecraft Error: A JNI Error Has Occurred, Please Check Your Installation is an error message that appears when there is a problem with your Java installation or Minecraft game files.
  • What causes the Minecraft Error: A JNI Error Has Occurred, Please Check Your Installation?. This error can be caused by an outdated or incorrect Java installation, an incorrect Minecraft installation, or a computer that doesn't meet the minimum system requirements for Minecraft.
  • What should I do if verifying and updating my Java installation doesn't resolve the Minecraft Error: A JNI Error Has Occurred, Please Check Your Installation?. If verifying and updating your Java installation doesn't resolve the error, you can try repairing your Minecraft game files, reinstalling Minecraft, or reaching out to the Minecraft support team for further assistance. You can also try reinstalling Java or updating your graphics drivers. These steps can help resolve any issues that may be causing the error.