Where did you install Firefox from? Help Mozilla uncover 3rd party websites that offer problematic Firefox installation by taking part in our campaign. There will be swag, and you'll be featured in our blog if you manage to report at least 10 valid reports!

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

Mulongo oyo etiyamaki na archive. Tuna motuna mosusu soki osengeli na lisalisi

Ever since the update to 70.0.1 I keep running into "Secure Connection Failed" errors.

  • 1 eyano
  • 1 eza na nkokoso oyo
  • 3 views
  • Eyano yasuka ya FredMcD

Lynne
Lynne
more options

All of a sudden I am unable to connect to known sites. The problem does seem to be hit or miss, but most of the problem sites are local medical clinics. The problem is ongoing.

All of a sudden I am unable to connect to known sites. The problem does seem to be hit or miss, but most of the problem sites are local medical clinics. The problem is ongoing.

All Replies (1)

FredMcD
FredMcD
more options

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

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

Websites don't load - troubleshoot and fix error messages

http://kb.mozillazine.org/Error_loading_websites

What do the security warning codes mean