How to Fix Mozilla Firefox Update Failed Error Message?

Mozilla Firefox Update Failed
Mar 22, 2021      admin      Firefox

Mozilla Firefox is a widely used web browser across the world. Firefox usually contains a Software Update feature that checks for updates automatically. It also shows a popup dialog box to ask you before installing them.

If you are facing a similar issue, this is your platform to stop by. As discussed above, Firefox comes with a Software Update feature that may suffer failure and show an Mozilla Firefox Update Failed Error Message. In this blog, you will find the solutions and quick-fixes for the issue concerned.

Check Back for Updates After Rebooting the System

There is a possibility that a previous version of Firefox or another running program that may not have closed adequately could be interfering with the Firefox update process. This error can also show up in case you share your system with other people. The simplest way to solve such issues is by rebooting your system.  After your PC starts again:

  • Open Firefox
  • Go to the menu button and tap Help.
  • Open About Firefox; Firefox will start checking updates.

Perform Manual Update

A simple and easy way is by updating Firefox through manual download and installation of the new version over your current version. You can look up online for instructions.

Shut down other running programs

A few programs that can interfere with Firefox tend to start automatically when Windows starts. Before you upgrade Firefox, close or disable such programs. For instance, Logitech QuickCam and SpyBot Tea Timer software have the potential to interfere with Firefox updates.

Run as Administrator

Just in case you are using Windows 7 or Vista:

  • Reboot the system to allow all the running programs or Firefox versions to close.
  • Go to the Windows Start Menu, type Firefox and right-click on the ‘Mozilla Firefox.”
  • Click “Run as Administrator and Continue if the User Account Control dialog shows up.


If the Firefox issue persists, quit Firefox and reboot the system again. However, this time around, click on the program folder in which Firefox is installed, e.g. C:\Program Files\Mozilla Firefox folder or 64-bit windows, the C:\Program Files (x86)\Mozilla Firefox folder), right-click on the Firefox or firefox.exe file icon and press Run as Administrator. If you are facing Mozilla Firefox issues, feel free to reach out to the Mozilla Firefox helpline number for immediate assistance from certified experts available at your beck and call. They will guide you step-by-step with patience and knowledge to ensure you get the solution you were looking for.

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