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

Pesquisar no site de suporte

Evite golpes de suporte. Nunca pedimos que você ligue ou envie uma mensagem de texto para um número de telefone, ou compartilhe informações pessoais. Denuncie atividades suspeitas usando a opção “Denunciar abuso”.

Saiba mais

Esta discussão foi arquivada. Faça uma nova pergunta se precisa de ajuda.

CAN'T CONNECT. ERROR MSG SAYS "CONNECTION IS NOT SECURE" AND "INVALID SECURITY CERTIFICATE." AM I THE PROBLEM OR IS IT FIREFOX?

  • 1 resposta
  • 1 tem este problema
  • 6 visualizações
  • Última resposta de FredMcD

more options

GET THIS ERROR MSG EVEN WHEN I TRY TO CONNECT TO GOOGLE FROM FIREFOX. PLEASE SEND YOUR RESPONSE DIRECTLY TO MY EMAIL ADDRESS. MANY THANKS.

GET THIS ERROR MSG EVEN WHEN I TRY TO CONNECT TO GOOGLE FROM FIREFOX. PLEASE SEND YOUR RESPONSE DIRECTLY TO MY EMAIL ADDRESS. MANY THANKS.

Todas as respostas (1)

more options

Please turn off your Caps Lock. In text talk, this is shouting.


There is security software like Avast, Kaspersky, BitDefender and ESET that intercept secure connections and send their own certificate.

https://support.mozilla.org/en-US/kb/firefox-cant-load-websites-other-browsers-can

https://support.mozilla.org/en-US/kb/firefox-and-other-browsers-cant-load-websites

https://support.mozilla.org/en-US/kb/secure-connection-failed-error-message

https://support.mozilla.org/en-US/kb/connection-untrusted-error-message

http://kb.mozillazine.org/Error_loading_websites


  • uses an invalid security certificate SSL_ERROR_BAD_CERT_DOMAIN
  • configured their website improperly

How to troubleshoot the error code "SEC_ERROR_UNKNOWN_ISSUER" on secure websites https://support.mozilla.org/en-US/kb/troubleshoot-SEC_ERROR_UNKNOWN_ISSUER