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I followed every instruction on that video so I can’t tell what went wrong. I also need to be honest, I am quite novice when it comes to SSL installations. Is there a site which offers step by step instructions on how to install SSL by Lets Encrypt for Wordpress website. Please note that I have no access to root but I have access to cPanel. Thanks again.
Is there a site which would give me step by step instructions so that I don’t repeat the same mistakes. Also, how do I deal with the stray domain milima.org?
The Internet is full of information, so I guess yes there is.
But I don't use cPanel and don't know of any particular site.
That is not something you need to "fix".
It is a side effect of the web server looking for a name that it can't serve.
So it serves the first/default site that matches the type of request (https).
You "fix" it by providing cPanel a way to know where "www.mca.ac.ug" is.