Where did you install Firefox from? Help Mozilla uncover 3rd party websites that offer problematic Firefox installation by taking part in our campaign. There will be swag, and you'll be featured in our blog if you manage to report at least 10 valid reports!

Rechercher dans l’assistance

Évitez les escroqueries à l’assistance. Nous ne vous demanderons jamais d’appeler ou d’envoyer un SMS à un numéro de téléphone ou de partager des informations personnelles. Veuillez signaler toute activité suspecte en utilisant l’option « Signaler un abus ».

Learn More

Will not open as says already running. Systemrestart does not work.

  • 1 réponse
  • 4 ont ce problème
  • 1 vue
  • Dernière réponse par Abbas

more options

When attempting to open Firefox the following message appears:

Firefox is already running, but is not responding. To open a new window, you must first close the existing Firefox process, or restart your system.

Restart does not solve the problem

When attempting to open Firefox the following message appears: Firefox is already running, but is not responding. To open a new window, you must first close the existing Firefox process, or restart your system. Restart does not solve the problem

Toutes les réponses (1)

more options

To fix the problem, do the following - 1. First go to task manager and ensure that all instances of Firefox.exe are killed.

the rest of the recommendations were deleted by a moderator - I don't know if this posting was intended as "cute" or not, but advising a Firefox user to delete all their Firefox personal data files is wrong

Modifié le par the-edmeister