Fix Mozilla Firefox Not Working Errors and Issues

Along with Google Chrome, Mozilla Firefox is also an extremely famous browser known for its state-of-the-art functionality. One of the main benefits of Mozilla Firefox is that it works flawlessly most of the time. Apart from this, Mozilla Firefox is also one of the safest browsers to surf the Internet. Unfortunately, even after all the benefits, Firefox is still not perfect. There are different inevitable issues that can ruin the overall experience of using this web browser.

It is not rare to see numerous users posting about the problems like their Mozilla Firefox not working, working slowly, etc. On a positive note, we can say that you can fix most of Mozilla Firefox issues with ease if you know the right process to do so. Go through this post to know about different problems associated with Mozilla Firefox along with their most suitable solutions.

Common Problems with Mozilla Firefox

There is no web browser that is completely free from different types of errors and issues. Mozilla Firefox is not different. It is also prone to various kinds of problems. It is not possible for us to list down all the problems that a user might have to deal with. Still, we have compiled a list of the most common issues that you can face while using Mozilla Firefox for browsing the internet as given below.

  • Mozilla Firefox not opening at all
  • Mozilla Firefox not Working on windows 10
  • Unable to run Mozilla Firefox on a Windows computer
  • Mozilla Firefox not installing windows 7
  • Mozilla Firefox not working in Ubuntu
  • Not able to open Mozilla Firefox on a Mac device
  • Mozilla Firefox not responding
  • Can’t run Mozilla Firefox on iPhone
  • Mozilla Firefox stopped working all of a sudden
  • Not able to download Mozilla Firefox from the internet
  • Mozilla Fire not updating
  • Firefox not loading pages after update
  • Mozilla Firefox not loading Gmail
  • Unable to run Videos on the Mozilla Firefox

A matter of fact is that all the issues listed above are just a few examples of many more problems that you might have to deal with. But, the good thing is that you can get rid of all these problems with ease.

Mozilla Firefox System Requirement

In case Mozilla Firefox can’t load websites but other browsers can then you should ensure that your device meets the system requirements. The system requirements of Mozilla Firefox are different for various operating systems.

Windows operating systems (32 bit and 64 bit)

  • OS versions supported – Windows 7, Windows 8, Windows 10
  • Processor – Pentium 4 or newer processor that supports SSE2
  • RAM – 512MB of RAM / 2GB of RAM for the 64-bit version
  • Hard disk space – 200MB of hard drive space

Mac operating system

  • OS versions supported – macOS 10.9, macOS 10.10, macOS 10.11, macOS 10.12, macOS 10.13
  • Processor – Macintosh computer with an Intel x86 processor
  • RAM – 512 MB RAM
  • Hard disk space – 200 MB hard disk space

GNU/ Linux

The Mozilla Firefox runs fairly well on all of the following libraries and packages.

  • GTK+ 3.4 or higher
  • GLib 2.22 or higher
  • Pango 1.22 or higher
  • Org 1.0 or higher (1.7 or higher is recommended)
  • libstdc++ 4.6.1 or higher

For the peak performance of the browser, we recommend that you should for the following libraries/ packages.

  • NetworkManager 0.7 or higher
  • DBus 1.0 or higher
  • GNOME 2.16 or higher
  • PulseAudio

How to fix Mozilla Firefox issues

Those who can’t use Mozilla Firefox due to a variety of issues may go through the step-by-step solutions to the problem mentioned below. Please note that these steps are progressive in nature. It means you should move on to the next step if the previous steps don’t help you.

  • First and foremost, you need to make sure that you are connected to the Internet. To check if your internet connection is fine you should try to open any website using another browser. If the website runs well on the browser then it means that your internet connection is good.
  • Restart the Firefox browser can also help you fix the problem. To do the same, all you need to do is click on the “File” button available at the top left corner of the screen. Then, click on the exit button. Finally, run Firefox again.
  • Another great way to fix problems like Firefox not loading pages is to clear the browser’s cookies and cache.
    • Click on the “Tools” button available on the menu.
    • Choose “Clear private data”
    • Next, you need to select the following items and click “clear private data now”.
      • Download history
      • Cache
    • You might know the add-ons and plugins installed on Firefox can also be problematic. A great way to check if add-ons are problematic or not is to run your browser in safe mode.
    • A corrupt profile can cause different kinds of problems with the proper working of Mozilla Firefox. To fix such an issue, we recommend you create a new profile. If creating a new profile helps in resolving the problem then you can copy the data from your previous profile to the new profile. Those who don’t know how to create a new Mozilla Firefox profile may check out the steps given below.
      • Press “Windows + R” keys on your keyboard and type “firefox.exe – p”. Next, click on the “Ok” button.
      • Then, start the profile manager by clicking on “Create Profile”.
      • Next, you should choose the newly created profile and click “Start Firefox”.
    • If the problem continues even after trying the above steps then you will need to reinstall Firefox. To reinstall the Firefox, first, you have to remove it from your device through the control panel then install a fresh copy. If your device is meeting all system requirements, Firefox will surely run well after reinstallation.

Frequently Asked Questions

Question – 1: What to do if I am unable to download Mozilla Firefox from the official website?

Answer: You may try out the following steps in case Mozilla Firefox is not downloading from the website.

  • Make sure your internet connection is strong enough to download files from the internet.
  • Try downloading the file again after clearing the download history.
  • Choose a different download folder.
  • Resetting the download folder can also help you fix this kind of issue.
  • Ensure that the system settings of your device are not allowing files to get downloaded.
  • You may also reset system Internet security settings in case the problem continues.

Question – 2: Is it possible to pair by Firefox mobile browser with Firefox desktop?

Answer: Yes, you can easily pair your mobile browser with a Firefox desktop. You are allowed to sync your bookmarks, history, logins, and open tabs with Firefox Sync using an existing Firefox Account and QR code. The steps to do the same are as follows.

  • First of all, you need to tap on the menu button.
  • Then, tap “Settings” followed by “Sign-in”.
  • In the next step, you should tap on the “Scan pairing code in desktop firefox” button.
  • Next, go to “” on your desktop.
  • After that, you should tap on the “open camera” button available at the bottom of the “Turn on Sync” screen within the Firefox preview app.
  • Finally, you should point your camera toward the QR code appearing on your screen.

Question – 3: I want to install Firefox for Android on my Phone. What are its system requirements?

Answer: The system requirements for Firefox for Android 61.0 are as follows.

  • Operating systems – Android 4.1 or above versions.
  • Minimum internal storage – At least 50 MB internal storage
  • RAM – At least 384 MB of RAM
  • Display – display at least 320 pixels high and 240 pixels wide.

Question – 4: How can I fix Firefox not working after update 2022?

Answer: If your Firefox was working smoothly before the update then it is possible that your internet security software (including firewalls, antivirus programs, anti-spyware programs, and more) is likely stopping the browser from connecting to the Internet. Check out the following steps in order to fix the problem.

  • Firstly, you need to make sure that your Internet security software is up-to-date (i.e. you are running the latest version).
  • Then, you must remove Firefox from your program’s list of trusted or recognized programs, then add it back again.

Leave a Comment