Step 3: Now click Choose default apps by file type present at the near bottom. Now navigate to Apps and select Default apps from the left navigation bar. Step 2: Then press the Windows + I keys to launch the Settings application. Tip: If you do not get the option right away to open as Java, you can click Choose another app and select Java. Right-click it and select Open with and select the Java program. Step 1: Navigate to the JAR file’s directory. If you are still unable to access jarfile Minecraft, you can try changing the file association. Method 2: Set the Default File Association Restart your computer and check if the “Unable to Access Jarfile” error message has been resolved.
Run it to install the latest version of Java after you download the executable. Step 3: Then go to the official Java website and download the latest version. Step 2: Then navigate to the entry of Java and right-click it, then click Uninstall. Step 1: Press the Windows + R keys at the same time to open the Run dialogue box, then type appwiz.cpl and click OK to open the Programs and Features window. Furthermore, it should be the latest version released. Java on your computer for programs to run JAR files.
You need to install the proper architecture i.e. How to Fix the “Unable to Access Jarfile” Error Method 1: Install the Latest Java Version How to Fix the “Unable to Access Jarfile” Error
