SSL Certificates are used as a security option that secures communication between a (browser) and a server. SSL secured website, means the data entered is encrypted with high cryptographic algorithms and cannot be tampered with.
Today, Google Chrome is more concerned about the security of its users; It will display an SSL certificate errors if there is a single mistake in a website.
Generally, a user may get an SSL certificate Error on Google Chrome that states: “Cannot connect to real domain-name.com”. You may also come across invalid SSL certificate error.
SSL Certificate error in a browser is also known as Chrome SSL Connection Error.
Main reasons behind SSL Certificate Error on Google Chrome are:
The System Time is not the real-time.
The SSL certificate has Expired.
Google Chrome is not updated.
The SSL certificate is not Installed properly.
The SSL certificate is not issued by a Trusted Certificate Authority (CA) or a self-signed certificate is used to secure a website.
The website is secured with an outdated 128-bit SSL.
The website is secured with an outdated SHA-1 Algorithm.
Untrusted SSL Client Certificate error