Fix: Mozilla Firefox Not Responding on Windows 10

Mozilla Firefox is one of the best popular internet browsers for many users. It is because of its access speed and secured system that it is much more demanding. But it is also true that like other internet browsers Mozilla Firefox also is in a lot of trouble. Many users who use ‘Mozilla  Firefox’ complained that while they are trying to get online on ‘Mozilla Firefox’ an error message ‘Mozilla Firefox Not Responding’ appears on their display. But the good news is that, if you read this article from top to bottom, then you can easily troubleshoot most of the common problems on your own.

Before going into the solution process, you need to know the reason for which this type of trouble arises. Here, for your awareness, we have highlighted those reasons.

Reason Behind Mozilla Firefox Is Not Responding

The reason why the Mozilla Firefox Not Responding may vary from occasion to occasion. But there are some common culprits which generally seem to be responsible for this trouble. They are:

  • Too many freeware converters are running at the same time within the Firefox file, such as pdf to word, word to pdf, etc.
  • Firefox profile folder has only read permission.
  • Intrusive files made their way into the cache memory or the updated folder.
  • Due to Intrusive or untested plug-ins, instability is detected in Mozilla  Firefox.

Now go through the following stages until you find a proper troubleshooting method that will help you to resolve your particular situation.

Easy And Effective Ways To Troubleshoot Mozilla Firefox Not Responding Problem

If you want to resolve this issue then, follow the below methods one by one and try it on your device.

Method 1- Force Close Restart And Then Update

If this type of problem occurs on your machine, then a temporary way to fix your problem is to forcibly restart your Windows and restart your machine.

Once the Firefox becomes unresponsive, then you can not close it by clicking on the closing icon. But, if you simultaneously press Ctrl + Shift + Esc. Then, go to the Process tab after that, select Firefox and then click on the End task button.

After closing the unresponsive applications, restart your machine. Now in the next setup open Firefox again and click on the menu icon that is shown at the top right corner. From there go to the Help and after that, tap on About Firefox, wait sometimes until the Firefox shows its latest version. If a new Firefox version is available for your Operating System, then click on the restart button and install it, wait till the completion of this process.

Next, check whether the trouble is resolved or not, if not then scroll down and look at the below troubleshooting process.

Method 2- Check For The Right Access Required

As we mentioned earlier that Firefox has only read permission, because of this a common problem may arise. In such a case, you need to change some settings. Fortunately, you can change these settings on your own to configure the proper permissions. Here’s a list is given below :

  1. Firstly you need to open the run box, then in the command section type ‘%APPDATA%\Mozilla\Firefox\Profiles\’ in the search section. After that, press Enter.
  2. Now, go to the Profile Page right-click on it and from there select Properties.
  3. On the properties go to the general and make sure that the dialog box beside the Read-only box remains unchecked, then hit the Apply button.
  4. In case you find that the read-only box was checked and you need to modify it, then reboot your machine. At the next startup, start using Firefox again, and identify if the trouble is resolved or not.

If you are still suffering from the  Firefox unresponsive problem, then take a look at the below method.

Method 3- Clearing the Cache

Another popular way to fix your problem is to clear cache memory. Many users noticed that after applying this, they can detect a lot of potential culprits that might cause these problems.

Method 4- Disabling Hardware Acceleration

On the latest Firefox version, the Hardware Acceleration is automatically enabled there. Sometimes this creates a problem. But you can disable it on your own. Here is a quick guide on how to disable it.

  • Firstly open the ‘Firefox’ then click on the menu icon after that select Option.
  • Within the ‘option’ menu then go to the ‘ General menu’ after that scroll down to the performance tab and uncheck the dialog box which is located beside the Use Recommended Performance Setting.
  • After that unselect the box that shows  Use hardware acceleration when available.

Finally, restart your machine and see if the problem is solved or not.


Hope in this above article you will get all the necessary information that you want. Now follow the above-mentioned steps one by one and see which steps are suitable for your device.

Nathaniel Villa
Nathaniel Villa