NET:::ERR_CERT_AUTHORITY_INVALID Votre connexion n’est pas privée : #E11
Every internet user encounters the NET::ERR_CERT_AUTHORITY_INVALID error once in a while. It’s not an error you can easily miss since it comes with huge alert signs and warning messages in most browsers.
Understandably, many visitors get anxious when it pops up. But you don’t have to worry. Usually, the causes are quite trivial, and you can easily fix the error with a bit of patience.
After reading this guide, you’ll know what the error means, what causes it, and how to fix it as a website owner or visitor.

Hence, it tries to protect you from visiting an unsecured and unencrypted website, which hackers may exploit to steal your information.
NET::ERR_CERT_AUTHORITY_INVALID is one of the several errors related to SSL certificates.
Nowadays, SSL encryption is a must-have for every website. It encrypts the connection between a website and its visitors. As a result, a third party can’t intercept the exchanged information.
The encryption is facilitated by an SSL certificate installed on the website server. When a visitor opens a website, the following sequence ensues:
- The browser requests identification from the web server.
- The server responds by sending a copy of its SSL.
- Then the browser checks if the SSL is in the list of trusted certificates.
- The browser asks the webserver to start an encrypted session if everything is in order.
However, if the browser detects a problem with the certificate or doesn’t trust it, it displays the NET::ERR_CERT_AUTHORITY_INVALID error message.
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- PROBLEM WITH PHPMYADMIN MIS AJOUR OBKIGATOIRE : UPDATE FILE TO .OLD
- APACHE PORT ACTIVE ALREADY
- APACHE CONFIG INC
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