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

Hierdie gesprek is in die argief. Vra asseblief 'n nuwe vraag as jy hulp nodig het.

SEC_ERROR_UNKNOWN_ISSUER for google services

  • 1 antwoord
  • 1 het hierdie probleem
  • 7 views
  • Laaste antwoord deur FredMcD

playgame1809
playgame1809
more options

whenever I try to connect to google I get that error message. Same goes for google services like captcha, youtube etc. I tried with different browsers and all were working just fine

whenever I try to connect to google I get that error message. Same goes for google services like captcha, youtube etc. I tried with different browsers and all were working just fine

All Replies (1)

FredMcD
FredMcD
more options
  • MOZILLA_PKIX_ERROR_MITM_DETECTED
  • 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