Mozilla Firefox is one of the most popularprivacy-centric browsersfor Windows 11.

But at times, it also faces issues in working properly.

Unfortunately, its the same with many users, as theyre facing different issues with it.

Search For Firefox

For some users, it doesnt open on their PC.

Whereas a set of users said that the search just keeps loading and doesnt show the results.

If youre facing similar issues with it on your Windows 11 PC, fret now.

Choose End Task

Try all the solutions in this guide to fix Mozilla Firefox not working in Windows 11.

Why is Mozilla Firefox Not Working in Windows 11?

It could be possible that the Mozilla Firefox app is outdated.

Choose Firefox

Due to this, it got bugs and glitches, which are causing this issue.

But besides this, there could be more reasons for Mozilla Firefox not working in Windows 11.

2.From the contextual menu, chooseEnd taskto forcefully close theMozillaFirefox app.

Choose Properties

3.After closing Mozilla Firefox, open it and check whether the web app is working properly.

2.From the menu, chooseProperties, and then move to theCompatibilitytab from the top.

3.In theCompatibilitytab, chooseRun compatibility troubleshooterto execute the tool.

Click Run Compatibility Troubleshooter

4.In theGet Helpwindow, clickYesto check theMozilla Firefox app for compatibility issues.

So, we suggest youuse it to eliminate issues with the MozillaFirefox appon your PC.

2.On the next screen, chooseInstalled appsand then search forMozilla Firefoxusing search.

Choose Yes

3.Next toMozilla Firefox, click thethree dots (…), and then selectAdvanced optionsfrom the menu.

4.In theAdvanced optionswindow, go to theResetsection, and chooseRepair.

After clicking theRepairbutton, the program will start repairing and hopefully, the issues will get fixed.

Click Apps

Launch Mozilla Firefox in Troubleshoot Mode

If Mozilla Firefoxs particular function isnt working,open it in Troubleshoot Mode.

This will fire up the app with no customizations and web extensions and help you diagnose the issues.

To launch Mozilla Firefox in Troubleshoot Mode, hold theShift keywhile opening Firefox.

Search for Mozilla Firefox

2.From the dropdown, chooseAdd-ons and themesto view all the installed add-ons and themes.

3.UnderManage Your Extensions, shut down the toggle next to an extension and check the issues status.

If the issue is still there, one-by-one disable other extensions and check the issues status.

Choose Advanced Options

Considering this reason, we suggest youmake sure that antivirus is updatedif installed.

2.On theFirewall & web connection protectionscreen, clickAllow an app through firewallat the bottom.

3.Look for theFirefoxappin the box and verify the boxes next to them are checked.

Click Repair

4.Finally,clickOKto save the change, and see if the Mozilla Firefox not working issue is fixed now.

2.In theRun box, entermsconfig, and hitEnterto open theSystem Configurationwindow.

3.In the new window, proceed to theBoottab, tick theSafe bootandNetworkcheckboxes, and click theApplybutton.

Choose Add ons and Themes

2.Navigate to theCookies and Site Datasection and click theClear Data…button to clear it.

3.Once the cached files are cleared, relaunchMozilla Firefoxand see the problems status with it.

3.In theRestart Firefoxin TroubleshootModewindow, click theRestartbutton to reset its controls.

Check Manage Extensions

4.ReopenFirefox, and then check whether the issues with Mozilla Firefox are gone now.

Disable Hardware Acceleration

1.Go to theOptionssection ofMozilla Firefoxand go to thePerformancesection by clicking it.

2.UnderPerformance, uncheck theUse recommended performance settingscheckbox.

Click on Firewall & Network Protection

3.After doing so, uncheck theUse hardware acceleration when availablecheckbox on the screen.

4.Once the functionality is disabled, reopen theMozilla Firefoxappand see if its working fine.

2.Search for the conflicting update and choose theUninstallbutton next to it to get a new prompt.

allow an app through firewall

3.Choose theUninstallbutton to uninstall the Windows update from your Windows 11 PC.

2.On the next screen, clickCreate a New Profileand then clickNext >in the new prompt.

3.Lastly, pop in the name you want to give to the new profile and clickFinishto create the profile.

Enable Firefox

Update the Mozilla FirefoxApp

1.From the Mozilla Firefoxs dropdown menu, chooseHelpand then select theAbout Firefoxoption.

2.In theAboutsection, peek if the new updates are available to install.

2.In the new window, clickSaveto download the Mozilla Firefox apps execution file on the PC.

Click OK

Note:you’re able to implement the new Mozilla Firefox program without uninstalling the existing version.

2.Once done, clickhereto go to Firefoxs Microsoft Store page and clickInstallorGetto install it.

FAQs

How Do I Get Firefox to Work on Windows 11?

Open RUn

Doing so will resolve all the problems with Mozilla Firefox with ease.

What Is the Problem With Firefox and Windows 11?

Mozilla Firefox keeps experiencing issues in Windows 11.

Type msconfig

Like, it doesnt bring up the computer.

Sometimes, the search doesnt work and keeps loading when searching for something.

How Do I Fix Firefox Not Opening?

disable Safe boot

In case this doesnt fix the issues, consider resetting its controls to default.

Why Is My Mozilla Firefox Not Responding?

If Mozilla Firefox isnt responding on your Windows 11 PC, force close it in the Task Manager app.

Go to Privacy Security

Why Is Firefox Not Loading Anything?

If the Firefox program isnt loading anything, consider resetting its prefs.

Final Words

Without any doubt, Mozilla Firefox is the go-to online window for many Windows users.

Click Clear Data…

But theyre now tired of constantly facing never-ending issues with it on their Windows 11 computer.

They say that it doesnt open on their computer, which frustrates them.

Even if it opens, then keeps loading and doesnt show the results.

Choose Lines

At last, let us know which stated fix helped you fix Mozilla Firefox not working in Windows 11.

Choose Troubleshoot Mode

Choose Restart

Choose Options

Disable HA

Select Uninstall Updates

Uninstall Updates

Enter Name

Select About Firefox

Update Firefox

Choose Download Firefox

Click Save

Choose Install