Not only is your certificate expired, but your website is not forcing all connections to HTTPS, so even when you update it someone visiting over HTTP will get that notice.
The following articles may help:
In order to get a padlock in the address bar in your website, you need to install an SSL certificate on your website. This article describes how to do that.
If you would rather watch a video, scroll down to the bottom of this article.
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After you’ve enabled SSL for your website, you’ll probably want to redirect all traffic on your website to the https version of your site. There are multiple ways to do that. Let’s compare some commonly used ways.
http://example.com to https://example.com , the script will probably redirect visitors to the https version of your site. Even if your script…
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