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

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  • Last reply by FredMcD

Steve
Steve
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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

All Replies (1)

FredMcD
FredMcD
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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.

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