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I upgraded to Quantum & now no sites will load; all say the connection is not secure.

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  • Eyano yasuka ya FredMcD

berexxa
berexxa
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Opened Firefox & heeded admonishment to "refresh" the browser by upgrading. Now not one site will load! All are returning this:


"The owner of abc.go.com has configured their website improperly. To protect your information from being stolen, Firefox has not connected to this website."

Browser is useless if it won't open any websites! Things were working fine prior to upgrading to "61.0.2 (64-bit) Quantum"; I am working on a Mac, and Chrome and Safari are just fine!

Opened Firefox & heeded admonishment to "refresh" the browser by upgrading. Now not one site will load! All are returning this: "The owner of abc.go.com has configured their website improperly. To protect your information from being stolen, Firefox has not connected to this website." Browser is useless if it won't open any websites! Things were working fine prior to upgrading to "61.0.2 (64-bit) Quantum"; I am working on a Mac, and Chrome and Safari are just fine!

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FredMcD
FredMcD
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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


  • 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