HomeWindowsHow to Fix Fire­fox Freezing or Not Respond­ing on Windows 11

How to Fix Fire­fox Freezing or Not Respond­ing on Windows 11

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Firefox is one of the most used PC browsers. People use this browser to get faster search results on their Windows 10 and Windows 11 computers. Though the browser is faster than the rest of the browsers available for PC, it does not have flaws. However, users who use Firefox on Windows 11 have noticed freezing issues. If Firefox is lagging or unresponsive on your Windows 11, this article can assist you in resolving the error.

Fix Fire­fox Hangs or Not Respond­ing on Windows 11

This article will look at how to resolve freezing or Not Respond­ing in Firefox on Windows 11.


Check Internet Connectivity Issues

It would help if you tried checking the internet connectivity issues on your PC. If Firefox is freezing or unresponsive, it may be because of a slow internet connection. Ensure you are connected to a stable internet network. If you are not connected to a stable internet connection, you are most likely to face this issue. If you are connected to a stable internet connection but still facing the problem, then you should move to the next troubleshooting step in this article. 

Restart The Browser

Try restarting the browser if Firefox is freezing or unresponsive on Windows 11. To restart the browser, follow the steps given below-

  • Press the Ctrl + Shift + Esc key combo to open the Task Manager on your PC.
  • Head to the Processes tab in the Task Manager. In the Processes tab, select Firefox. 

Firefox Is Freezing Or Unresponsive On Windows 11?

  • Click on End Task to end the process.
  • After doing so, open the Firefox browser on your PC again, and check if you still encounter the issue or not.

Disable Hardware Acceleration

If hardware acceleration is enabled on Firefox, then also you may face the issue. Firefox has hardware acceleration enabled by default. This feature uses GPU instead of CPU to speed up your browser. However, this may be the reason behind Firefox freezing or unresponsive on Windows 11. To disable Hardware Acceleration on your Firefox, follow the steps given below-

  • Click on the menu icon (hamburger icon) on the top right corner of Firefox.
  • From the menu that opens up, click on Settings. 

Menu

  • In the General tab on the Settings, scroll down to the Performance section, and then uncheck the checkbox saying Use recommended performance settings. 
  • Next, uncheck the checkbox for the Use hardware acceleration when available. 

Firefox Is Freezing Or Unresponsive On Windows 11?

  • Once done, restart the Firefox and you may no longer face the issue.

Clear Cache And Cookies Of Browser

If the cached data of the browser is corrupted then also you may face issues with Firefox. To clear the cache and cookies of the browser, follow the steps given below-

  • Open the Firefox app on your PC. Click on the menu icon on the top right corner of Firefox, and then from the menu, click on Settings. 

Menu

  • On the Settings page, scroll down to the Privacy & security section. Next, click on Clear Data right next to the Cookies and site data option.

Firefox Is Freezing Or Unresponsive On Windows 11?

  • On the pop-up window, uncheck the checkbox for Cookies and Site Data as well as Cached Web Content and then click on the Clear button.

Firefox Is Freezing Or Unresponsive On Windows 11?

  • After doing so, restart your Firefox to see if it is working fine.

Try Using The Troubleshoot Mode

If you have been facing issues with Firefox, then you should try using the troubleshoot mode in Firefox. To use Troubleshoot Mode in Firefox, follow the steps given below-

  • Launch the Firefox app on your PC.
  • Click on the Menu icon on the top right corner of the Firefox app.

Menu

  • From the Menu, click on Help and then click on Troubleshoot Mode. 

Help

  • When asked to restart the Firefox browser in the Troubleshoot mode, click on Restart. 

Troubleshoot Mode

Try using Firefox now, and check if you face the issue with it or not. If you no longer face the issue, then the issue was most probably caused due Add-ons. You will have to find the real culprit by disabling the add-ons one by one and checking which Add-on is causing the issue.

Update Firefox

If the Firefox browser on your PC is outdated, then also you may face the issue. You should try updating the browser if you are facing freezing issues on Firefox. To update Firefox, follow the steps given below-

  • Open the Menu on your Firefox by clicking on the Menu icon on the top right corner of the app window.

Menu

  • Click on the Help option and then on About Firefox in the Menu. 

About Firefox

  • Now Firefox will look for updates and install them on your PC.

Refresh Firefox on Windows 10

If you still face the issue, you should try refreshing the Firefox browser. To restore the Firefox, follow the steps given below-

  • Open the Firefox on your PC. Click on the Menu icon on the top right corner of the app window and click on Help from the menu.

Menu

  • Next, click on More Troubleshooting Information

Help

  • After doing so, click on Refresh Firefox. When prompted to Refresh Firefox, do so.

Refresh Firefox

Re-Install Firefox on Windows 11

Lastly, you should try reinstalling the Firefox browser on your PC. This will be the last troubleshooting step to follow if you are still facing the issue.

  • Open the Start Menu by pressing the Windows key.
  • In the Start Menu, search for Control Panel and hit Enter to open the Control Panel. 
  • In the Control Panel, click on Uninstall a program option under the Programs section.
  • Next, from the list of apps, select Mozilla Firefox and then click on Uninstall.

Uninstall Firefox

  • When asked to confirm uninstalling the app, click on Uninstall. 
  • Next, reinstall Firefox on your PC, and you should no longer face the issue.

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Conclusion

If Firefox is freezing or unresponsive on Windows 11, you can follow the steps mentioned in this article. Following the above steps, you will fix the issues you face with Firefox.

Anurag Jain
Anurag Jainhttps://itechhacks.com
Anurag is a Senior content analyst with 4 years of experience in the industry. Based in India, He is extremely skilled at Windows related to How to Troubleshooting matters. His favorite topics are Windows 11, Android, and How To's.

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