When visiting a service that is using HTTPS, the server uses a certificate to verify the identity of the server(s) to browsers. Since certificates can be created by anyone claiming to be from any site they wish, various browsers require certificates to be from trusted organizations. In most cases an SSL issue is probably due to a misconfiguration of the certificate.
SSL errors need to be handled differently for each type of browser. Please visit documentation for your current browser from the list below:
