Hence, knowing how to fix Java Virtual Machine launcher fatal exception errors will be beneficial.

Why do I get a JNI error in Minecraft?

Games like Minecraft depend on Java libraries to function on your PC. So, issues with the Java library will affect the game client. It can prompt Windows error 2 while loading the Java VM on the system. Also, compatibility is a common cause of the problem. If you’re using a Minecraft server, mods, or a feature that is incompatible with the Java library, you will likely encounter this error. Other factors that can cause the JNI error has occurred in Minecraft are:

The corrupt system path for Java – The Minecraft JNI error can occur if the Java system variable path is compromised. It can cause conflicts between the client and Java on your PC, resulting in a JNI error in the Minecraft server. Also, a wrong Java installation path can cause errors in Minecraft. Outdated version of Java – Older versions of Java only support designated versions of clients. So, having an outdated version for your game client can cause errors. It means the Minecraft client is running on a Java version lower than it should be.

The above-listed causes may differ depending on the circumstances around the error. Nonetheless, you can fix the error by troubleshooting your PC.

How do I fix the error: JNI error has occurred issue?

Try the following preliminary checks:

Create a System image backup on your PC. Restart Windows in Safe Mode and check if the error is resolved.

If the error persists, go on with the solutions below.

1. Install the Latest Java Version

Installing the latest version of Java will fix any compatibility errors that can cause the error between the game client and Java. You can read about downloading Java on Windows 11 for more guidance.

2. Reset Java Path

Resetting the Java path will fix Java runtime environment errors that can cause the error.

3. Uninstall Old Versions of Java

Some users still report not being able to fix the error after the two fixes above. So, uninstalling the old versions of Java on your PC will force Minecraft to use the latest version if it isn’t using it. Alternatively, our readers can check ways to fix JAR files not opening on Windows 11. Also, you can read about fixing Java update/install not complete error 1603 on your PC. If you have more questions or suggestions, do not hesitate to use the comments below.

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