Firefox does not start after an update

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Mozilla Firefox is a browser that is constantly being developed further and many users participate in its progress. It is therefore not surprising that Firefox is updated frequently and new program elements are implemented or critical security gaps that have been discovered are closed. If the browser doesn't start after an update, something has obviously gone wrong.

Enter Internet addresses in the browser.
Enter Internet addresses in the browser. © Samuel G. / Pixelio

Check for an update for Firefox

It is usually advisable that you set your browser so that an update is available or an update is found automatically and a query starts whether it can be installed target.

  • Because Firefox is not only constantly being developed, but also constantly looking for dangers and points of attack Internet thugs and malware have to react, an update, if it is available, is usually too important. If the installation does not start automatically, there is no reason not to allow a request.
  • If you have deactivated an automatic update, you should definitely check for updates manually on a regular basis. In the “Help” and “About Firefox” menus you will find a button that you can use to “Check for updates”. If something was found, you should also agree to an installation.

The browser does not start anymore

  • If Firefox does not start after the update has been installed, an error has obviously occurred here. If you have not already done so, the first thing you should do is restart your computer and, secondly, specify that you start Firefox as administrator. Often these simple processes help.
  • If this does not lead to success, please download the complete current version Program version of the browser. You can always find one on the manufacturer's website Internet. Install the complete program over the existing version over it. If only the update was faulty, the browser will work again afterwards.
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  • If the browser still does not start, you still have the option of completely uninstalling Firefox (including then delete the program folder) and return to the version that worked last would have. You can still find the previous versions on various secure, reputable download sites.

When the old version is reinstalled and functional, check your add-ons and extensions to see if there might be any conflicts. Firefox should also be completely permitted in firewalls and antivirus programs.

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