How to fix the NET::ERR_CERT_AUTHORITY_INVALID error step by step

Encountering the error NET :: ERR_CERT_AUTHORITY_INVALID Browsing the internet can be frustrating, especially if you're a website owner. This message Indicates that the browser does not recognize the validity of the page's SSL certificate, blocking access for security reasons. Although it may seem like a serious problem, most of the time it has a solution.

In this article, we will explore what does this error mean, Its possible causes and most effective methods to resolve this, whether you are a user trying to access a site or you manage an affected web page.

What is the NET::ERR_CERT_AUTHORITY_INVALID error?

El The NET::ERR_CERT_AUTHORITY_INVALID error appears when a browser detects a problem with the SSL certificate. of a website. An SSL certificate is essential for establishing a secure connection between the user and the server, as it encrypts transmitted data and protects sensitive information.

If the browser cannot verify the trust of the certificate, it will display this error to warn the user and prevent potential security risks. In most cases, this is because the certificate has timed out, is self-signed, or comes from an unrecognized certification authorityTo better understand the importance of SSL and other security aspects, you may be interested in How HTTPS protects the security of sensitive information.

Main causes of the NET::ERR_CERT_AUTHORITY_INVALID error

To solve this problem, it's essential to identify its cause. These are the most common reasons why it occurs:

• Expired SSL Certificate: If the certificate has expired, the browser considers it invalid even if it was valid at the time.
• Self-signed certificates: A certificate generated without a recognized certificate authority is not trusted by browsers.
• Unknown Certification Authority: If the certificate was issued by an entity that is not on the browser's list of trusted authorities, the browser will reject it.
• Incorrect certificate configuration: If an intermediate certificate is missing or the domain name does not match the certificate, the browser will display this error.
• System date and time out of sync: A mismatch between the computer's date and the server's date may prevent certificate validation.
• Cache and SSL status issues: Temporary files stored by the browser may be interfering with certificate validation.
• VPN or security software interference: Some antivirus or VPN programs may block SSL certification, generating this error.

How to fix the NET::ERR_CERT_AUTHORITY_INVALID error

Depending on the cause, there are several ways to correct this error. If you are the website owner, you will need to review the certificate settings.. However, If you are a user trying to access a page, there are some steps you can try.

1. Verify and renew the SSL certificate

If the certificate is expired or misconfigured, it is best to renew it with a valid certification authorityYou can check its status in Google Chrome by following these steps:

1. Click the lock in your browser's address bar.
2. Choose The connection is secure and then The certificate is valid.
3. Check the expiration date and issuer details.

2. Set the system date and time

A disconnection from your computer can cause your browser to consider a valid certificate expired. To correct this:

 

In Windows:

1. Open the start menu and go to Configuration.
2. Choose Time and language and activate the option Set the time automatically.

On macOS:

1. Opens System preferences and select Date and Time.
2. Brand Set date and time automatically.

3. Clear browser cache

Sometimes, your browser may be storing old data, which is causing the error. Clearing your cache may fix the problem:

• In Chrome, press Ctrl + Shift + Del, Select Cookies and other site data y Cached files and press Delete data.

4. Temporarily disable VPN and antivirus

Some VPNs or security programs may interfere with the SSL connection. Try temporarily disabling them to see if the error goes away.

5. Run an SSL test

If you have access to the server, you can use tools like SSL Labs to verify that the certificate is configured correctly. If you want to learn more about system configuration, check out this complete instruction on common errors.

This error can be problematic, but with the right steps it can be resolved without any major issues. The most important thing is Ensure that the SSL certificate is current and correctly configured, in addition to performing periodic tests to prevent future problems.