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.

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

Downloaded the newest version, now won't connect to facebook, says it's certificate is invalid, won

  • 1 ŋuɖoɖo
  • 1 masɔmasɔ sia le esi
  • 5 views
  • Nuɖoɖo mlɔetɔ FredMcD

more options

Downloaded the latest update, now I can't access facebook and a lot of other sites. The message that facebook has improperly configured its certificate appears, will no allow exception. Re installed, still a problem. Firefox screwed something up with the download.

Downloaded the latest update, now I can't access facebook and a lot of other sites. The message that facebook has improperly configured its certificate appears, will no allow exception. Re installed, still a problem. Firefox screwed something up with the download.

All Replies (1)

more options

FredMcD trɔe