Mozilla VPN is currently experiencing an outage. Our team is actively working to resolve the issue. Please check the status page for real-time updates. Thank you for your patience.

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

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

Wo archive tread sia. Meɖekuku bia biabia yeye ne ehia kpeɖeŋu.

Wont work with Windows 10 and Avast!

  • 1 ŋuɖoɖo
  • 1 masɔmasɔ sia le esi
  • 1 view
  • Nuɖoɖo mlɔetɔ user633449

lordsnooty
lordsnooty
more options

Mozilla Firefox problems:

a). Wont open in Windows 10 - gives message: "Secure connection failed"

b). When I open "Extensions", message reads: " Avast on line security could not be verified in Firefox. Proceed with CAUTION"

PLEASE ADVISE.....

Mozilla Firefox problems: a). Wont open in Windows 10 - gives message: "Secure connection failed" b). When I open "Extensions", message reads: " Avast on line security could not be verified in Firefox. Proceed with CAUTION" PLEASE ADVISE.....

All Replies (1)

user633449
user633449
more options

Avast has been causing many issues in Firefox lately, especially on Windows 10. I'd suggest disabling the Avast add-on, it is useless anyway.