its been a whole day to search for a resolution. some of them i research in google entails with servers and stand alon computers.
and i found a solution for this issue and its works like a charm. Solution No.2 and 3 from this website https://www.errorsolutions.tech/error/firefox-error-code-sec_error_unknown_issuer/ Before doing a complex troubleshooting i perform the basic first like clear cache, clean boot, and deleting some of my addons and i Run an malwarebytes and i found threats on my computer so once i remove it. _______________________________________________ dev-security-policy mailing list dev-security-policy@lists.mozilla.org https://lists.mozilla.org/listinfo/dev-security-policy
