Mozilla Firefox Browser Keeps Crashing and Freezing

Published by: Alex George on May 26, 2024

Firefox browser from Mozilla Group is one of the most popular browsers today. It is a fast and technologically superior browser.

However, some users (including me) felt frequent crashes and freezing issues with the Firefox browser. Let us check why the Firefox browser causes freezing and crashing on a device and fix the problem.


I fixed the Firefox Freezing Problem Permanently on my Computer.


The first part of this tutorial checks the reasons for a Firefox browser crash on a computer. The second part will teach you tips to avoid frequent Firefox browser freezing and crashing issues.



Why does the Firefox Browser Freeze or Crash?


  1. Outdated Browser:

    An outdated browser version is the number one cause of the freezing and crashing of the Firefox browser on a device.

  2. Too Many Extensions:

    The second reason for the Firefox freezing problem is too many installed extensions.

  3. Too Many Cookies and Site Data

    You might not have cleared the browser cookies and cache for a while. Firefox will show problems once it has a lot of saved site data and cookies.

  4. Presence of Malware Applications on your Device

    Malware applications like adware always pushes your browser to open new websites. It will create problems with the smooth working of the Firefox browser, and eventually, it will freeze or crash.


You have checked the reasons for the frequent hanging and crashing of the Firefox browser installed on your laptop. Now, let us check how to fix the Firefox hanging and crashing problem.



Fix Continues Firefox Hanging and Crashing

  1. Update the Browser

    In most cases, Firefox will alert you when you need to update the browser. But, sometimes, it may not happen. So, you must check it manually.

    • Start the browser.

    • Tap the Application Menu icon on the right-top of the window.

      Firefox Browser Hanging Error
    • Tap the Help.

      Browser Failed
    • Click the About Firefox.

      Error
    • Firefox will check for the latest version automatically.Troubleshoot

    Firefox will tell whether you have an up-to-date version or an obsolete version. If it is an outdated version, you need to update it.

  2. Delete Site Data and Cookies:

    If your browser runs on the latest version, the next step to resolve hanging problems is to delete Cookies and Site Data on Firefox.

    • Start the browser.

    • Click the Application Menu.

      Mozilla Bug
    • Click on History.

      Check Reasons
    • Click on Clear Recent History.

      Error
    • Clear All History.

      Issues

      Make sure you have the following settings.


      Time Range to Clear: Everything

      Check all tick boxes.

    • Click OK.

    Run Firefox and check whether it hangs or crashes again. If it does not show problems, you do not need to go to the next steps.

  3. Disable Firefox Extensions

    Occasionally, the Extensions installed on Firefox will show a few bugs and slow down the browser. Having too many Extensions also slows down and eventually hangs Firefox.

    To check whether a particular Extension is hanging Firefox, we need to disable it and run the browser.

    We should run Firefox with one Extension at a time to identify the problem maker. Let us check how to disable an Extension on Firefox.

    • Start the browser and tap the Application Menu.
    • Tap the Add-ons and Themes.
    • Click the Extensions from the side menu.Click the blue button to disable the Extensions.

    Run the browser and check for any problems. If the browser does not freeze, we need to isolate the Extension that slows down the browser.

  4. Run a System Scan to Remove Malware

    As I mentioned before, malware applications like adware can trouble Firefox. We should scan the entire device with a reputable malware scanner to find and delete malware applications.

  5. Uninstall and Reinstall

    If nothing works, the final solution for freezing Firefox is to uninstall and reinstall it.


    You can remove Firefox on the Android tab and phone using the Settings App.

    You can remove Firefox from a Windows computer using the Add or Remove Programs.

    After uninstalling it, you should do a clean installation. Then, check whether the Firefox browser hangs or crashes on your Android Phone or Windows Laptop.

  6. Send Crash Report

    The final step is to report the Firefox problem to the Mozilla team. You can contact them via crash report.See the Firefox crash report below.

    Firefox crashes automatically

    You can write down your unique problems to the Mozilla team. They will check your feedback and fix the problem in their next Firefox version.

I hope you enjoyed this article and learned the reasons and solutions for Firefox browser hanging issues. Let us know your feedback on this guide using the email address provided on the Contact page.

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