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Firefox blocking mozilla support

username124
username124
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Details: Someone could be trying to impersonate the site and you should not continue. Websites prove their identity via certificates. Firefox does not trust support.mozilla.org because its certificate issuer is unknown, the certificate is self-signed, or the server is not sending the correct intermediate certificates. Error code: SEC_ERROR_UNKNOWN_ISSUER. Site: support.mozilla.org Title: Warning: Potential Security Risk Ahead

Details: Someone could be trying to impersonate the site and you should not continue. Websites prove their identity via certificates. Firefox does not trust support.mozilla.org because its certificate issuer is unknown, the certificate is self-signed, or the server is not sending the correct intermediate certificates. Error code: SEC_ERROR_UNKNOWN_ISSUER. Site: support.mozilla.org Title: Warning: Potential Security Risk Ahead

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James (doing minimal support)
James (doing minimal support)
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https://support.mozilla.org/en-US/kb/error-codes-secure-websites https://support.mozilla.org/en-US/kb/what-does-your-connection-is-not-secure-mean

The Firefox web browser itself is not doing the blocking on https:// connections.

Your antivirus or another security software is likely inserting its own certificate for https:// connections and is instead causing problems instead of helping.