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How to enable or disable Java in Mozilla Firefox? Step by step guide

How to enable or disable Java in Mozilla Firefox? Step by step guide

Launched in 1995 , Java is a programming language and computer platform designed to shape programs, tools and other solutions. Through this medium, many companies have developed software in recent years, focusing many resources on the web environment to provide pages with a greater number of functions and types of content.

With an increasingly reduced use by more modern standards such as HTML5 and others, Java is used to display multimedia content on a web . It allows the reproduction of videos through players, as well as executing other tasks that serve to view images or even listen to music, in addition to starting small programs within an online portal. Compatible with most browsers , it was and is something that allows websites to be more flexible.

At the user level it is important to have it installed and updated to ensure the best possible compatibility with websites. In case you have problems and do not know how to enable or disable Java in the Mozilla Firefox browser , we will help you with this guide. We explain what to do step by step, but we also warn you that there are fewer and fewer compatible browsers.

Steps to enable or disable Java in the Firefox browser

Currently, the new Firefox update is not compatible with Java . Since the release of version 52 it is not possible to see content used with this language when navigating with Mozilla’s proposal. If you have a version equal to that or earlier, we can take the steps to allow or disable Java in the Firefox browser.

This is what you have to do:

  • Open Mozilla Firefox on your computer as usual.
  • Once it loads and you are inside, click on the “ Menu” icon , which contains three horizontal lines and is located in the upper right corner of the window.
  • Within the drop-down that appears at the moment, go to “Add-ons” and click on that section.

Entrar en Complementos navegador Firefox

  • You are now inside the “Add-ons Manager” . Among the options available, you should go to “ Extensions ” and click there.

Ir a Extensiones de Mozilla

  • Look through all the available plugins until you find one called “JAVA (TM) Platform” . Press it to enter its settings.
  • Now, you can decide if you want it to be activated or deactivated . You just have to click on the button that appears with the corresponding text for it.

Activar desactivar Plataforma JAVA (TM) Mozilla Firefox

If you leave it activated , Firefox usually asks when you enter a website that has content that needs Java to function properly. You just have to go to the place where you should be and click on “Activate Java Platform …” .

Activate Java Platform Mozilla Firefox

* If when entering a website and you don’t find this, go to the red icon before the URL in the address bar and click on it, then click on “ Activate Java ” and set whether to allow once or forever for the web in question.

Activar plugin Java siempre para este sitio navegador Firefox

The Java plugin does not work in Firefox, solution

If the Java extension does not run correctly in Mozilla Firefox , the problem may come from the add-in itself. In this case, the solution that can be put into practice is to review and update.

These are the steps to follow:

  • Open the web browser of Mozilla or any other one you usually use.
  • When loading, go to the address bar and enter the following URL to enter in the Java downloads section: https://www.java.com/download/
  • Once inside, press the button “Free download of Java. ”

Boton Descarga gratuita de Java

  • A warning message about compatibility may appear. Ignore it and click on “Accept and start free download” to move forward.

Aceptar e iniciar descarga gratuita Java

  • Once you have finished downloading the file, go to the folder where it was downloaded and open it by double clicking on it.
  • Press “Install” in the First window that appears now.
  • After this, press “Accept” and proceed if you are asked for information. Then, let the installer copy the corresponding files.

Proceso de instalacion de Java de Oracle

  • Close the installation window once finished.
  • Restart the computer to apply all the modifications.
  • Go back to Firefox and see if Java works. If not, review all the steps explained in the previous section.

If, after doing this, you still have problems with Java, the problem may be in your version of Firefox . Since the revision number 52 landed in 2017 , the browser has been subtracting the support completely from this solution, preventing the execution of content that uses its programming language on websites.

In this case, it would be necessary to access an older version of Mozilla Firefox and download it , although it entails significant security risks by not having any more patches and improvements Modern Being something that can jeopardize the data of the computer and the user himself when moving around the internet.