firefox is not working in my windows and it is showing me not secured connection after i updated my os to windows10(1803)latest version
actually i need Firefox(45.0.0) version for my software testing course but it not supporting. It is showing me not secured connection every time when ever i click to download my fire path or fire bug.
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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
Firebug doesn't run on recent versions of Firefox. Hopefully they'll update your course to use the built-in developer tools instead, either Firefox's or Chrome's.