Recent answers to "support.mozilla.org uses an invalid security certificate". Firefox has not connected to this website. What is Mozilla support if this continues?https://support.mozilla.org/en-US/questions/12349792018-09-23T18:17:50-07:00Hi, There is security software like Avast/AVG, Kaspersky, BitDefender, ESET & sometimes McAfee t2018-09-23T18:17:50-07:00Pkshadowhttps://support.mozilla.org/en-US/questions/1234979#answer-1158001<p>Hi, There is security software like Avast/AVG, Kaspersky, BitDefender, ESET &amp; sometimes McAfee that intercept secure connections and send their own certificate. or is one of their scanners or the have deleted a Firefox file which can cause the issue. See there forums.
</p><p>Download from here&nbsp;: <a href="https://www.mozilla.org/firefox/all/" rel="nofollow">https://www.mozilla.org/firefox/all/</a>
Uninstall on Win10 and reinstall with Full Version Installer.
</p><p>Always&nbsp;:
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<ul><li><a href="https://support.mozilla.org/en-US/kb/back-and-restore-information-firefox-profiles" rel="nofollow">https://support.mozilla.org/en-US/kb/back-and-restore-information-firefox-profiles</a>
</li><li><a href="https://support.mozilla.org/en-US/kb/export-firefox-bookmarks-to-backup-or-transfer" rel="nofollow">https://support.mozilla.org/en-US/kb/export-firefox-bookmarks-to-backup-or-transfer</a>
</li></ul>https://support.mozilla.org/en-US/kb/secure-connection-failed-error-message
https://support.mozilla.2018-09-23T16:14:45-07:00Jameshttps://support.mozilla.org/en-US/questions/1234979#answer-1157991<p><a href="https://support.mozilla.org/en-US/kb/secure-connection-failed-error-message" rel="nofollow">https://support.mozilla.org/en-US/kb/secure-connection-failed-error-message</a>
<a href="https://support.mozilla.org/en-US/kb/what-does-your-connection-is-not-secure-mean" rel="nofollow">https://support.mozilla.org/en-US/kb/what-does-your-connection-is-not-secure-mean</a>
</p><p>Neither the current Firefox 62.0.2 version or the <a href="http://support.mozilla.org" rel="nofollow">support.mozilla.org</a> site has any such issues.
</p><p>There could be different reasons why you are getting secure connection issues on https:// like wrong date/time set on the OS or a antivirus inserting its own certificate and causing problems instead of helping.
</p>Did you make sure to uninstall any FF previously and deleting the Mozilla folder for clean fresh ins2018-09-23T16:07:12-07:00WestEndhttps://support.mozilla.org/en-US/questions/1234979#answer-1157988<p>Did you make sure to uninstall any FF previously and deleting the Mozilla folder for clean fresh install.
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