If you are getting the warning “Your connection is not private” it is probably because you are missing an intermediate certificate. You can find out which certificate or the current status of your web hosting plateform by using the tool at this link https://ssltools.geotrust.com/checker/views/certCheck.jsp.
Once you download the cert if you are on iis you can use these steps to install it. If you need to know how to install this on your hosting platform just do a Google search on “install intermediate certificate [hosting platform]”. In my case I search “install intermediate certificate iis 6” and found the link below which worked like a dream