Error a Jni Error Has Occured Please Check Your Installation and Try Again

Some Minecraft users are seeing an error whenever they try to launch the customer (the game) or the server (.jar). The error message that comes up is: "A JNI fault has occurred, delight check your installation and try again". This problem is mostly reported to occur with version Minecraft version 21w19a and newer and it's confirmed to announced on Windows 7, Windows 8.1, Windows 10, and Windows xi.

As it turns out, there are multiple causes that might trigger this fault when certain users effort to launch Minecraft and nearly each of them is related to the Java installation.

Hither'south a list of possible culprits that are most likely responsible for causing the "A JNI error has occurred, please check your installation and try over again":

Coffee 16 JDK is missing – If yous become this error while attempting to launch Minecraft build 21w19 or newer, the get-go thing you should do is check if the Java xvi JDK installation is missing from your PC. This is the most popular reason why this fault is encountered when launching Minecraft on PC. If the Java 16 JDK is missing from your figurer installation, download and install it from the official channels.
Broken System Path for Java – As it turns out, some other reason why you tin expect to run into this mistake is a scenario in which the system variable path for java is broken and tricks the Minecraft launcher into assertive that Java is not installed on your PC when it actually is. If this scenario is applicable, you lot should be able to set the issue by removing the broken system PATH variable from the Surround variables.

Install the latest Coffee JDK version

In most documented cases, this particular error happens when you lot endeavour to launch Minecraft or a Minecraft server on a PC that doesn't have Java 16 or newer installed. Keep in mind that starting with Minecraft build 21w19, you volition demand to have Java's sixteen JDK version installed on your PC, otherwise, the game will not launch.

To fix this result, you volition but need to update your current Java JDK to the nigh recent version bachelor using the official channels.

If you're looking for step by stride instructions on how to do this, follow the guide below:

Ensure that the Minecraft launcher (Tlauncher or whatsoever other) is completely closed earlier moving to the next step below.
Open your default browser and visit the download page of the Coffee 15 Development kit.
Once you're inside, brand sure the Windows tab is selected, and then gyre all the way down to the Windows x64 Compressed archive and click on the associate Download hyperlink.

Downloading the x65 compressed archive of the Java xvi JDK
At the confirmation prompt, check the box associated with I reviewed and accept the Oracle Technology Network License Agreement for Oracle Java SE, then click on the Download button below.
Wait until the download is complete, then unpack the zippo archive with WinZip, WinRar, 7Zip or the built-in equivalent and wait for the functioning to complete.

Unzip the Coffee JDK
Once the extraction process is complete, navigate to the location where you lot extracted the JDK and copy it on your clipboard by correct-clicking on it and choosing Copy from the context card.
Next, utilize File Explorer (My Figurer) to navigate to the following location and paste the JDK xvi folder that y'all previously copied:
```
C:\Plan Files\Coffee
```
Expect until the copying operation is complete, then shut the window and double-click on your Minecraft launcher once again (TLauncher or other).
Once you're inside the launcher, click on the settings icon, then click on Settings from the context bill of fare.

Accessing the Settings menu of the Minecraft launcher
Inside the Settings carte du jour, ensure that the Minecraft Settings is selected at the top, so click the Browse button associated with Java path.
Next, utilize the browse window to navigate to the following location:
```
C:\Program Files\Coffee\jdk-sixteen.0.2\bin
```
One time within, brand certain that javaw.exe is selected before clicking the Open button.
Finally, click on the Save push button to successfully save the java path in your Minecraft launcher.
Launch the game commonly and you lot should see the issue fixed.

If the problem is withal not resolved, motion downward to the next potential fix below.

Remove the broken System Path variable for Coffee

If the starting time method was non effective in your case, the next matter you should investigate is a potentially cleaved organisation variable used past Coffee.

A broken variable tin can be the determining gene in 'tricking' your Minecraft launcher into believing that the Java JDK requirement for the game is not installed when it actually is.

In this instance, you can get the effect resolved by accessing the System Properties screen and modifying the Environment variables in a way that the Coffee PATH environment is removed.

This gear up has been confirmed to be constructive for a lot of Minecraft users that we're encountering the "A JNI fault has occurred, please bank check your installation and try again" when attempting to launch the game from a dedicated launcher.

Follow the instructions below for a stride-by-step guide that will guide you through the process of removing the corrupted Coffee JDK path variable:

Note: The instructions below should piece of work on every contempo Windows version including Windows 7, Windows 8.1, Windows 10, and Windows 11.

Press Windows central + R to open up up a Run dialog box. Next, type 'sysdm.cpl' inside the text box and press Enter to open upward the Organisation Properties window.

Open up upwardly the System Properties window

Annotation: If y'all are prompted by the User Account Control prompt, click Yes to grant admin access.
One time you're finally within the System Properties window, click on the Advanced tab, then click on Surroundings variables(under Startup and Recovery).

Open up Organisation Variables bill of fare
Once you're inside the System Variables window, go to Organization Variables, then choose Path and click on Edit.

Editing the path variable
Side by side, one time y'all're inside the Edit environment variable window, go ahead and look for an environment variable that mentions java.
Once you lot spot the culprit, click on information technology once to select it, so click Delete to go rid of it.

Deleting the java environment variable
Once the problematic surroundings variable has been deleted, reboot your PC, so start Minecraft again and encounter if the "A JNI fault has occurred, please check your installation and endeavour again" issue is now fixed.