Why Your connection is not private in chrome browser

When login into Parallels Plesk server getting the message “Your connection is not private”.
Because the server is not SSL Certificates Installation in Plesk Administrator.

It is more and more frustrating when customers call to complain about the control panel – PLESK, provided with your hosting service does not work. They are returned a screen with the following message “This Connection is Untrusted” (in Firefox) or ” There is a problem with this website’s security certificate. ” (in Internet Explorer). In most of the cases they turn off the browser in order to avoid doing something stupid, without reading the message, knowing it is UNTRUSTED or NOT SECURED. Magical words that scare them.