There have been many browsers nowadays, but Firefox is still considered as one of the best. This browser is one of the oldest. Over time it also got the required updates that made it to match with the changing time. Millions of people use this browser from around the world, but this fact doesn’t make Firefox free from faults. Users of this browser keep on complaining about several issues. Recently, most of the online forums were flooded with queries related to Firefox Not Responding issue. This issue occurs all of the sudden when you are browsing.
Suddenly, the browser freezes, and when you try to do something, you will get a pop-up saying Firefox Not Responding. If you are one such user of Firefox facing the same issue, this article is for you. Before jumping directly to the solutions section, you should be aware of the potential reasons behind this matter. Here are some causes behind this error:
- Presence of some malicious software in the installation folder.
- Your Firefox is running several freeware converters.
- Use of untested plugins in your Firefox.
- Profile folder of your Firefox doesn’t have the right to create files.
Now that you know about the causes behind this glitch, it is time to proceed to solutions sections.
Force Stop the Firefox:
The biggest problem with Firefox Not responding issue is that it won’t let you do anything like refreshing your Firefox or checking for the updates. You can stop this process by using the Task Manager. Follow the steps mentioned below:
- Open the Task Manager (you can do it by pressing Ctrl + Esc + Shift simultaneously).
- Click on the Processes
- Now, you will see a list of processes that are running on right now on your PC.
- Select Mozilla Firefox from that list and then click on the button End Task (available at the bottom-right corner of the screen).
Give proper privileges to your Firefox browser:
This is one of the most common issues behind Firefox Not Responding Follow the steps mentioned below to do it:
- Open the Run Utility Box on your PC (you can do it by pressing Start key + R).
- Once the Run Utility Box has opened on the screen, type the following text there: %APPDATA%\Mozilla\Firefox\Profiles.
- Go to the Firefox folder and right-click on Profiles and select Properties from the context menu.
- Click on the General Tab of Profiles Window.
- Uncheck the box before the option, Read-only (only applies to files in folder).
After completion of this process, restart your PC and see if you have resolved this issue.
Delete the cache and cookies of your Firefox:
By deleting cookies and cache on your Firefox, many users have got rid of this issue. When you delete these items from Firefox, you will get rid of several issues like Firefox Not Responding. Follow the steps mentioned below to do it:
- Launch Firefox on your PC and click on Menu (it is available at the top-right corner of the screen).
- From the list click on Options and then select the Privacy & Security
- Go to the cached web content and click on the button Clear Now.
- After deleting these things, restart your PC and see if you have solved this issue.
If your problem persists even after trying the fixes mentioned above, go ahead and try the next fix mentioned below.
Start the Firefox in safe mode:
Whenever you run any application in safe mode, this application runs without any add-ons. Follow the steps mentioned below to start your Firefox in safe mode:
- Open the Firefox application on your PC and click on the Menu icon (at the top-right corner of the screen).
- From the list of options, click on Restart with Add-ons disabled.
Now, run this application in safe mode for some time. If you don’t encounter the Firefox Not Responding error while in safe mode, then there is something wrong with the extensions or add-ons that you use in your Firefox.
Turn Off Hardware Acceleration on your Firefox:
This is a feature that enhances the performance of our PCs. All the latest versions of any browser come with enabled Hardware Acceleration by default. Many PCs have trouble with Hardware Acceleration. Follow the steps mentioned below to disable this feature:
- Open the Firefox browser and then click on the Menu
- Select options from the list.
- Click on the General tab and then go to the Performance
- Uncheck the boxes before the following options: Use recommended performance settings and Use hardware acceleration when available.
After completion of this process, restart the Firefox and see if you are facing the same issue.
Use the default theme on your Firefox:
Many users have solved their issue of Firefox Not Responding by reverting to the default theme. Follow the steps mentioned below to do it:
- Click on the Menu button after you have opened the Firefox.
- Select the option Add-ons.
- A new window will appear on the screen named Add-on Manager.
- Scroll down to the Theme panel and click on the button next to option Default theme.
After completion of this process, restart your Firefox and see if you have solved your matter.
Disable all the extensions on your Firefox:
Having too many extensions may cause problems like Firefox Not Responding If you have disabled many extensions on your Firefox, you may face this issue. Fix this issue by disabling all the extensions on your Firefox. To pinpoint which extension is causing this problem, you should disable all the extensions at once and then enable them one by one until your problem reappears. Follow the steps mentioned below to do it:
- Launch Firefox and click on the Menu
- Select the option Add-ons to open the Add-ons Manager.
- In the Add-ons Manager windows, click on the icon extensions.
- A list of enabled extensions will open on the screen.
- Select on the extension that you want to disable and then click on the Disable
After you have disabled all the extensions, restart your Firefox and see if you are getting the same error.
If you are not getting the error, then enable extensions one by one until you see the error. The moment this problem reappears, you will know the extension that is causing this error.
Get rid of Duplicated Session Restore files:
When many copies of Session Restore files are created, you may face problems with your Firefox. In many cases, the Firefox not responding issue is associated with Duplicated Session files. You should delete these files to get rid of this situation. Follow the steps mentioned below to do it:
- Open Firefox and click on the Menu icon (three-bar icon at the top-right corner of the screen).
- Select the option Help then click on Troubleshooting Information.
- Under the Profile Folder-Applications Basics, click on the option Open Folder.
- Now, remove the following files: js, sessionstore-1.js or any other files like these.
Restart your Firefox browser after completion of this procedure. If your problem persists, go ahead and try the next fix mentioned below.
Create some new places in your Database:
In several cases users have solved their Firefox Not Responding issue by creating some new places in the database. You can do it by following the steps mentioned below:
- Click on the Menu icon after you have opened Firefox.
- From the list of options, click on Troubleshooting Information.
- Go to the Application Basics section and then click on the option Open Folder under the Profile Folder.
- Rename the entry sqlite to places.sqlite.old and the entry places.sqlite-journal to places.sqlite-journal.old.
In this blog, we have mentioned several ways to deal with your problem of Firefox Not Responding. If any of your doubts remain unclear, then contact us through our website. Our experts are available 24X7 to help you with all your issues related to electronic media. We specialize in dealing with glitches related to online services. You can also connect with us by calling on our toll-free number. The contact details are provided below.
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