We're calling on all EU-based Mozillians with iOS or iPadOS devices to help us monitor Apple’s new browser choice screens. Join the effort to hold Big Tech to account!

This site will have limited functionality while we undergo maintenance to improve your experience. If an article doesn't solve your issue and you want to ask a question, we have our support community waiting to help you at @FirefoxSupport on Twitter and/r/firefox on Reddit.

Avatar for Username

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

Este tema ha sido archivado. Haz una nueva pregunta si necesitas ayuda.

Firefox will not start. I fresh installed. Tried opening with adminstrative status.

  • 1 respuesta
  • 1 tiene este problema
  • 1 visita
  • Última respuesta de FredMcD

Sandi
Sandi
more options

Yesterday I added Kaspersky antivirus. Now I can't start Firefox or Chrome. I'm having to use Microsoft Edge. I uninstalled Firefox and fresh installed. I disabled Kaspersky and tried to start Firefox. I am running Windows 10 on a new Asus laptop. My daughter has a new laptop running Windows 10 and Kaspersky and she's not having a problem. I can't click on the "Automatically add" link because I'm in Edge. I can't start Firefox.

Yesterday I added Kaspersky antivirus. Now I can't start Firefox or Chrome. I'm having to use Microsoft Edge. I uninstalled Firefox and fresh installed. I disabled Kaspersky and tried to start Firefox. I am running Windows 10 on a new Asus laptop. My daughter has a new laptop running Windows 10 and Kaspersky and she's not having a problem. I can't click on the "Automatically add" link because I'm in Edge. I can't start Firefox.

Todas las respuestas (1)

FredMcD
FredMcD
more options

As a test, disable Kaspersky.

Start Firefox in Safe Mode {web Link} by holding down the <Shift>
(Mac Options) key, and then starting Firefox. Is the problem still there?