Windows 10 bereikte EO (einde ondersteuning) op 14 oktober 2025. Als je Windows 10 gebruikt, lees dan dit artikel.

Windows 10 reached EOS (end of support) on October 14, 2025. If you are on Windows 10, see this article.

Avatar for Username

Zoeken in Support

Vermijd ondersteuningsscams. We zullen u nooit vragen een telefoonnummer te bellen, er een sms naar te sturen of persoonlijke gegevens te delen. Meld verdachte activiteit met de optie ‘Misbruik melden’.

Meer info

Deze conversatie is gearchiveerd. Stel een nieuwe vraag als u hulp nodig hebt.

Firefox blocking mozilla support

  • 1 antwoord
  • 1 heeft dit probleem
  • 135 weergaven
  • Laatste antwoord van James

username124
username124

Details: Someone could be trying to impersonate the site and you should not continue. Websites prove their identity via certificates. Firefox does not trust support.mozilla.org because its certificate issuer is unknown, the certificate is self-signed, or the server is not sending the correct intermediate certificates. Error code: SEC_ERROR_UNKNOWN_ISSUER. Site: support.mozilla.org Title: Warning: Potential Security Risk Ahead

Details: Someone could be trying to impersonate the site and you should not continue. Websites prove their identity via certificates. Firefox does not trust support.mozilla.org because its certificate issuer is unknown, the certificate is self-signed, or the server is not sending the correct intermediate certificates. Error code: SEC_ERROR_UNKNOWN_ISSUER. Site: support.mozilla.org Title: Warning: Potential Security Risk Ahead

Alle antwoorden (1)

James
James
  • Moderator
  • Top 10 Contributor

https://support.mozilla.org/en-US/kb/error-codes-secure-websites https://support.mozilla.org/en-US/kb/what-does-your-connection-is-not-secure-mean

The Firefox web browser itself is not doing the blocking on https:// connections.

Your antivirus or another security software is likely inserting its own certificate for https:// connections and is instead causing problems instead of helping.