Incorrect computer data and time settings.What are the causes of “This site can t provide a secure connection” error? Sometimes user can see ERR_SSL_PROTOCOL_ERROR underneath as well.įortunately, many times this message automatically disappear when you refresh your website. “This site can t provide a secure connection” is a painful error message which stops a user from viewing a website. However, many times user’s face some critical SSL certificate errors while trying to access your website. Nowadays, getting an SSL certificate is much easier than before and also at affordable cost. Google has been forcing to avoid unencrypted sites for years. It offers easy to use and clean interface along with best user’s security. Google chrome is the most popular web browser in the world.