Mozilla Firefox Not Working after Windows 10 Update

Firefox, an open-source project from the philanthropic Mozilla Foundation, has spearheaded many web abilities, and the association that creates it has been a solid supporter of online security. It’s additionally striking for its abundance of accessible augmentations. For example, the one-of-a-kind Multi-Account Containers expansion allows you to sequester numerous logins to a similar webpage on various tabs. Without this, you’d need to open a private perusing window or another program to sign out of the entirety of your web records and start a new meeting.

The portable Firefox applications offer great interfaces, and you can send a page tab from any gadget to any others that are signed into your synchronizing account. So, believe it or not: You can be perusing a page on your work area PC and have it quickly open on your iPhone or the other way around—a smooth and helpful element.

In case that is sufficiently not, Firefox has a Pocket button in the location bar, allowing you to save a page for later review anyplace with a single tick. In addition, the Reader View button cleans up a website page stacked with advertisements, promotions, and recordings so that you can scrutinize it without any interruptions. At last, the program is super adjustable, allowing you to choose and mastermind catches on the toolbar to taste, just as select from countless Theme additional items that change window line examples and shadings.

Why Does Mozilla Firefox not working after the Windows 10 update?

There can be a few reasons as to why Firefox won’t open in Windows 10 after its update, which are:

  1. Due to missing or corrupt Firefox files.
  2. Difficult add-ons.
  3. Corrupted User profile.
  4. There’s a problem with some drivers.
  5. Your firewall or other security software is blocking or restricting Firefox.

How to Fix Mozilla Firefox not working after Windows 10 Update?

Mozilla’s program is in the vanguard of supporting new HTML5 and CSS abilities, and the organization is dealing with open-source AR and discourse amalgamation guidelines. The association presently offers a complete secret key administration called Lockwise, which can produce complex passwords, sync them among gadgets, and secure everything under a solid expert private key. That and the association’s VPN offering are paid additional items.

Let’s look at some accurate solutions to fix the problem of Mozilla Firefox not working after the Windows 10 update:

Solution 1: Start your system again to Fix Mozilla Firefox not working:

You can restart your system using the following steps:

1. Click the start button on the lower-left corner of the desktop.

2. Click the right arrow next to the shutdown button.

3. Select Restart from the dialogue box that appears.

select restart

Solution 2: Restart Firefox to Fix Mozilla Firefox not working:

You can find a button to restart Firefox on the profiles page. This page is present in the about section of the Browser. Using it, you can restart Firefox following the given steps:

1. Type ‘about:profiles’ in the Firefox address bar and then press Enter.

about profile to Fix Mozilla Firefox not working

2. Now click the “Restart normally” button to restart Firefox. This will close Firefox and open it again with all running tabs and windows.

Restart normally to

Solution 3: Close Other Tabs & Apps

Many users tend to open many tabs in their Firefox browsers simultaneously and then forget to close them. Because of this, many opened tabs pile up, which leads to a lot of error messages appearing, and Firefox trying to complete all of them. This hampers the performance of the Browser and makes it slow or just not able to open. Hence, it is advised to close all your tabs and then relaunch your browser.

Solution 4: Clear Cookies and Cache

A lot of browsers store some of their data from websites in their cache and cookies. Clearing them can boost the performance of your browsing experience. Follow the below-given steps to clear the cache and cookies:

1. Touch the menu button and then go to Settings.

2. Select the Privacy & Security console.

3. In the Cookies and Site Data section, touch Clear Data

clear data firefox

4. Remove the tick in front of Cookies and Site Data.

5. With the Cached Web Content tick marked, click the Clear button.

Cookies and Site Data to

6. Finally, close the ‘about: preferences’ page. All your changes made will be saved automatically.

Solution 5: Troubleshoot your Plugins

To Troubleshoot your plugins, follow these steps:

1. Click the menu button, and then go to Help.

2. Now, select the Troubleshoot Mode and then click Restart in the ‘Restart Firefox in Troubleshoot Mode’. When the ‘Open Firefox in Troubleshoot Mode’ window appears, click the Open button.

Restart Firefox in Troubleshoot Mode

3. After clicking the Open button, Firefox starts.

4. You can now test for your problem.

Solution 6: Remove and Reinstall Firefox

To fix the issue of missing and corrupt Firefox files leading to Firefox not responding in Windows 10 system, try reinstalling Firefox. You can reinstall Firefox using the following steps:

1. Firstly download and then save the installer for the latest authentic version of Firefox from “

2. Close Firefox.

3. Now note the Mozilla Firefox program folder location by clicking right on the Firefox desktop icon. Then select Properties from the context menu and click the Shortcut tab.

4. Remove and uninstall the Firefox web browser from your computer.

5. Now remove the Firefox program folder by deleting it.

6. Reinstall Firefox using the installer you had downloaded earlier.

Solution 7: Fix Network Issue

Fix Network issues in your Windows system by taking care of the following things:

1. Verify that the Wi-Fi connection is the one fit for you. Next, turn your Wi-Fi off and on, and make sure you’re attempting to connect to the correct network.

2. Check Wireless Diagnostics.

3. Check your System Updates.

4. Check your physical hardware.

5. Change your DNS settings.

6. Reset NVRAM/PRAM and the SMC.

7. Restart your system.

Solution 8: Try to open the page in another browser

You can also try opening the page that you want to access in some other browser. If the problem persists, you can follow the rest of the solutions given above in the article.

Frequently Asked Question

Q1. Why is Mozilla Firefox not responding in my Windows system?

Answer: It could be possible due to the following reasons:

1. Due to missing or corrupt Firefox files.

2. Difficult add-ons.

3. Corrupted User profile.

4. There’s a problem with some drivers.

5. Your firewall or other security software is blocking or restricting Firefox.

In case Firefox isn’t reacting, it implies that something halted its cycles. What’s more, a restart may be the ideal answer for reinitiating everything. Thus, close Firefox (if the perfect way isn’t working, close the program through Task Manager) and restart your Windows 10 framework.

Q2. Is Mozilla Firefox compatible with Windows 10?

Answer: Yes, Mozilla Firefox works with Windows 10. To install it, you can use the following steps:

1. Go to the Firefox download page in any browser.

2. You just have to click the Download Now button. The Firefox Installer that downloads will automatically offer you the best available version of Firefox for your computer.

Q3. How to reset Firefox?

Answer: You can reset Firefox using the following steps:

1. Click on the Menu button on the top right of the Firefox browser, and then go to Help.

2. Now click on Troubleshooting Information.

3. Then click on Refresh Firefox when the confirmation window appears.

4. Finally, click on Finish.

Q4. Why is Firefox not loading pages after the update?

Answer: If the Firefox browser in your system is not loading pages, you can try following the given solutions:

1. Restart your computer.

2. Clear your cookies and cache.

3. Restart Firefox browser in Safe Mode.

4. Restart Firefox in Troubleshoot Mode.

5. Reinstall Firefox.

6. Refresh Firefox.

7. Create a new Firefox profile.

Q5. Why does Firefox not open in Windows 10?

Answer: Firefox browser might not be opening in Windows due to the following reasons:

1. Due to missing or corrupt Firefox files.

2. Difficult add-ons.

3. Corrupted User profile.

4. There’s a problem with some drivers.

5. Your firewall or other security software blocks or restricts Firefox.


Mozilla Firefox is one of the most sought out browsers for users during the present time; it becomes a trusty browser for its users with its terrific security features. Unfortunately, due to some reasons discussed above, it is possible that it at times does not work fluently. But we hope the article has provided you solutions for it. If not, we would like to help you. You can connect with us via the chat box at the bottom right or through the comment section below.

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