[Fix] Minecraft Error: A JNI error has occurred, please check your installation and try again

Java Virtual Machine Launcher

Error: A JNI error has occurred, please check your installation and try again.

If you get the JNI Error when you open the Minecraft game on your computer, then the most common reason is related to Java Native Interface being unable able to execute some native (your operating system - Microsoft Windows 8/10/11 or macOS)

Reasons for Minecraft Java JNI Error

1. Incorrect version of Java JDK installed.
2. Java JDK is not installed or corrupted.
3. Java PATH environment variable is not set.
4. Incorrect Java PATH environment variable is set

Possible Solutions/Fixes for Minecraft Java JNI Error

1. Reinstall/Install Java JDK:

   Windows: https://docs.oracle.com/en/java/javase/11/install/installation-jdk-microsoft-windows-platforms.html

   macOS: https://docs.oracle.com/en/java/javase/11/install/installation-jdk-macos.html#GUID-2FE451B0-9572-4E38-A1A5-568B77B146DE

2. Set Java Path Environment variable:

   Windows: https://code2care.org/pages/setting-java_home-environment-variable-on-windows-operating-system

   macOS: https://code2care.org/java/setting-java_home-environment-variable-in-macos-mac-os-x

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