Are you facing this issue with your website ?

This clearly signifies that SSL is not installed in your website.  For that you can use  Let’s Encrypt plugin to install SSL given in your cPanel interface.

Step 1 :  Login to your cPanel and then go to Let’s Encrypt Plugin given under security section. For your reference see screenshot below.

Step 2 : Now click on +Issue

Step 3 : Now Finally simply select http-01 method at the bottom of the screen and then click on Issue. If in case http method is not working or giving any error, then you can try dns-01 method.

Step 4 :   Check your domain in new private window.  You should be able to see green padlock. 

Note: If you are using Cloudflare cpanel AutoSSL willnot issue SSL