If you forget to renew your SSL Certificate at a regular interval, the web browser will display error/warning message like this "This connection is Untrusted" or "Your connection is not private".
In this article we are going to share with you 5 methods that you can fix the problem. If one doesn't work, try the next. Your problem will be going to solve.
Here is a quick troubleshooting guide to fix ERR_SSL_PROTOCOL_ERROR on Google Chrome. If one does not work, try the next one. Sooner or later, you should get rid of this issue.