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can't get rogers.yahoo.com. need exception but none shows up

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  • 1 has this problem
  • 3 views
  • Last reply by FredMcD

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I trust this address & have been using it for years. It works in explorer but I prefer firefox. get this message: Error code: SEC_ERROR_UNKNOWN_ISSUER

I trust this address & have been using it for years. It works in explorer but I prefer firefox. get this message: Error code: SEC_ERROR_UNKNOWN_ISSUER

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

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

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