Windows 10 reached EOS (end of support) on October 14, 2025. For more information, see this article.

Pomoc pśepytaś

Glědajśo se wobšudy pomocy. Njenapominajomy was nigda, telefonowy numer zawołaś, SMS pósłaś abo wósobinske informacije pśeraźiś. Pšosym dajśo suspektnu aktiwitu z pomocu nastajenja „Znjewužywanje k wěsći daś“ k wěsći.

Dalšne informacije

This Connection is Untrusted

  • 4 wótegrona
  • 5 ma toś ten problem
  • 3 naglědy
  • Slědne wótegrono wót gorney

dalšne nastajenja

I just upgraded to Windows 10 and now Firefox cannot access either Gmail or Facebook because the connection is "Untrusted" ((Error code: sec_error_unknown_issuer). What is the problem?? I have tried deleting the cert8 database and restarting.

I just upgraded to Windows 10 and now Firefox cannot access either Gmail or Facebook because the connection is "Untrusted" ((Error code: sec_error_unknown_issuer). What is the problem?? I have tried deleting the cert8 database and restarting.

Wubrane rozwězanje

You could try reinstalling the latest version of Avast.

Or you could disable the scanning of secure requests. See: https://support.mozilla.org/questions/1075985

Or there is a way to manually set up Firefox to work with Avast if the above are not what you're looking for, but I'd need to research the steps for that.

Toś to wótegrono w konteksće cytaś 👍 0

Wšykne wótegrona (4)

dalšne nastajenja

Sorry for the hassle. Many users are updating their security software or enabling parental controls during or shortly after their Windows 10 upgrade, and Firefox may need to be set up to work with those changes.

Do you use Avast, BitDefender, ESET or Kaspersky security software?

If not, could you try disabling Microsoft Family Safety: http://windows.microsoft.com/en-us/windows-10/turn-off-microsoft-family-settings

Wót jscher2000 - Support Volunteer změnjony

dalšne nastajenja

I use Avast.

dalšne nastajenja

Wubrane rozwězanje

You could try reinstalling the latest version of Avast.

Or you could disable the scanning of secure requests. See: https://support.mozilla.org/questions/1075985

Or there is a way to manually set up Firefox to work with Avast if the above are not what you're looking for, but I'd need to research the steps for that.

dalšne nastajenja

I restarted and it's working now. Thanks again for your help.