Help help

In the General Settings for Enfold I changed the WordPress Address (URL) and the Site Address (URL) from the Red Hat Cloud address to the site address I bought. I now can’t get in anymore and all I get is the following message "Your connection is not secure

The owner of has configured their website improperly. To protect your information from being stolen, Firefox has not connected to this website.

Learn more…" It has a [Go Back] but it’s not working so I can’t get back in. Can you please help urgently? Thanks

Hi guys can someone please help here? I’ve seen some site suggesting doing something via FTP but since I haven’t used FTP this won’t work for me… Thanks for getting back to me.