The HTTPS Console provides secure access to the Management Console through the HTTPS protocol on Edge SWG (ProxySG)
This article explains how to set up a certificate for the HTTPS console as well as troubleshooting Certificate errors that appear in the browser when connecting to the Management console.
This error may occur when the keyring used for the HTTPS console service is corrupted or expired. It can also be experienced if the certificate in question has not been downloaded and installed at the browser level.