Buscar en Ayuda

Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.

Learn More

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.

  • 1 respuesta
  • 13 tienen este problema
  • 1 visita
  • Última respuesta de Matt_G

more options

Every time I go to open Firefox I get this message: 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.

Every time I go to open Firefox I get this message: 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.

Todas las respuestas (1)

more options

Hi archermjones,

Have you looked at the Knowledge Base article "Firefox is already running but is not responding" error - How to fix? There is a lot of good troubleshooting information in the article.

Hopefully this helps!