Troubleshooting and Fixing jar Folder Errors

Many users have stated that the Java Runtime Environment (JRE) folder is missing from their system.
This can be problematic, so in today’s article, we’re going to show you how to fix JRE folder missing errors.

  • Corrupted files can cause the java jar folder errors, and this can be resolved by deleting them.
  • The jar error can also be caused by corrupted Java Runtime Environment, which can be solved by uninstalling it and reinstalling it.

Rename the .jar file

  1. Rename the .jar file and your Java application will start working.
    Rename the .jar file and your Java application will start working.
  2. Download new Java JRE
    If you have multiple versions of Java installed, try removing all of them and downloading a new Java JRE.

Uninstall Java

  1. Go to Start > type java > right click on it > select Uninstall.
    Go to Start > type java > right click on it > select Uninstall.
  2. Follow the on-screen instructions.
  3. Disable Java Permissions
    Go to Start > type “java” > right click on it > Properties.
  4. Go to Security tab > uncheck “Allow executing file as program”.

Run the SFC and DISM scan

  1. Press Windows + S keys on your keyboard.
  2. Type cmd and right-click on the Command prompt app to open it as an administrator.
  3. Type the following command and press Enter: DISM.exe /Online /Cleanup-image /Restorehealth
    Type the following command and press Enter: DISM.exe /Online /Cleanup-image /Restorehealth
  4. Wait for the scan to complete.

Restart the Mac OS

  1. Press and hold the Command prompt + Shift + 4 keys to open the Recovery mode.
    Press and hold the Command prompt + Shift + 4 keys to open the Recovery mode.
  2. In the Recovery mode, enter the following commands one after the other:
    cd /Volumes/VolumeName/
    find . -name “*.jar” -exec rm “{}” ‘;

Create a new User Account

  1. Go to Start > Type Control Panel > Select Control Panel > Select User Accounts
  2. Click Create a User account, and enter New account
  3. Follow the on-screen instructions, and check the box that says I don’t have access to the Internet, and press Next.
  4. Restart your PC.
  5. Now, log in with the newly created account.
    Now, log in with the newly created account.

Reinstall Java

  1. Open the Microsoft Store app.
  2. Search for Java and click on the application to open its details.
    Search for Java and click on the application to open its details.
  3. Click on Uninstall.
  4. Once uninstalled, click on Open.
  5. Go to Download Java.
  6. Click on Free and install Java.
    Click on Free and install Java.
  7. Restart your PC.
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