This is typically due to a cached ssl state or misconfigured certificate. This tutorial will show how to fix the err_ssl_protocol_error in the google chrome browser for both website owners and users. The err_ssl_protocol_error is a simple way for your browser to tell you that it is unable to establish a secure connection with a website
If a site is trying to send data but there are problems, you will usually see a message that suggests the website sent an invalid response. This article explores both the factors that generate ssl protocol errors, together with resolve methods specific to various browsers and systems. Clear cache, check ssl, and update your browser for a quick fix.