Hilfe durchsuchen

Vorsicht vor Support-Betrug: Wir fordern Sie niemals auf, eine Telefonnummer anzurufen, eine SMS an eine Telefonnummer zu senden oder persönliche Daten preiszugeben. Bitte melden Sie verdächtige Aktivitäten über die Funktion „Missbrauch melden“.

Learn More

99% of all sites I get message "Secure Connection Failed"

  • 1 Antwort
  • 1 hat dieses Problem
  • 17 Aufrufe
  • Letzte Antwort von FredMcD

more options

99% of all sites I get message "Secure Connection Failed", The page you are trying to view cannot be shown because the authenticity of the received data could not be verified.

How do I stop this? It started when I updated firefox a couple months ago. This issue makes me leary of updating it again

99% of all sites I get message "Secure Connection Failed", The page you are trying to view cannot be shown because the authenticity of the received data could not be verified. How do I stop this? It started when I updated firefox a couple months ago. This issue makes me leary of updating it again

Alle Antworten (1)

more options

What are the exact error messages? More should be listed beside "Secure Connection Failed".

Make sure you are not blocking content.

https://support.mozilla.org/en-US/kb/enhanced-tracking-protection-firefox-desktop also see https://blog.mozilla.org/security/2021/03/23/introducing-smartblock/

https://support.mozilla.org/en-US/kb/smartblock-enhanced-tracking-protection


Diagnose Firefox issues using Troubleshoot(Safe) Mode {web link}

A small dialog should appear. Click Start In Troubleshoot(Safe) Mode (not Refresh). Is the problem still there?


Many site issues can be caused by corrupt cookies or cache.

Warning ! ! This will log you out of sites you're logged in to. You may also lose any settings for that website.