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.

Search Support

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

I get "Your connection is not secure" on every website I visit

  • 2 svar
  • 12 har dette problemet
  • 5 views
  • Siste svar av Learner2

more options

I just installed Firefox 57.0.4 on OS X El Capitan on my MacBook Pro. I get "Your connection is not secure" on every website I have visited. How do I fix this?

I just installed Firefox 57.0.4 on OS X El Capitan on my MacBook Pro. I get "Your connection is not secure" on every website I have visited. How do I fix this?
Attached screenshots

Valgt løsning

hi, probably avast is interfering here - try to disable the scanning of https connections in its webshield preferences.

Les dette svaret i sammenhengen 👍 4

All Replies (2)

more options

Valgt løsning

hi, probably avast is interfering here - try to disable the scanning of https connections in its webshield preferences.

more options

That worked! I can now access every website I've visited so far. Thank you for helping me.