One of the most common errors that we can find when using the Chrome browser is the 'err_cert_authority_invalid'. When it appears, you'll see a red screen with the message 'Your connection is not private' 🛑.

If you're also seeing this message when trying to access your favorite website, it doesn't mean the site is dangerous. The 'err_cert_authority_invalid' error can occur because the certificate is outdated, or because your browser is outdated, among other reasons.

In this article, we share with you some of the best ways to Fix the error message in the Google Chrome browser 💻.

1. Check the Date and Time

The 'err_cert_authority_invalid' error sometimes occurs due to the incorrect date and time. If the date and time settings are incorrect, there may be compatibility issues between SSL Validation and the system clock, causing the aforementioned error.

So, before continuing with the following steps, check your date and time settings. Right-click the taskbar and select "Adjust date and time." From there, make the necessary changes.

2. Disable Antivirus and Firewall

SSL certificate issues typically occur when the firewall blocks incoming traffic. To resolve this, users should disable their antivirus and firewall.

To disable the firewall, go to Control Panel and disable it from the Firewall Settings. Once done, restart your computer and the 'err_cert_authority_invalid' error message should disappear 🔄.

3. Disable Chrome Extensions

If you see the error message 'err_cert_authority_invalid' after installing a new Chrome extension, that could be the cause. So, if the methods above didn't fix the browser error, disable all Chrome extensions 🌐.

To disable extensions, go to Settings > Extensions. There you'll find a list of all active extensions. Disable them all and restart your Chrome browser.

4. Update your Web Browser

The next best thing you can do to resolve the NET::ERR_CERT_AUTHORITY_INVALID error is to update your web browser. Since this error message primarily appears in Google Chrome, here are the steps to update your Chrome browser 📅.

1. Open the Google Chrome browser and click on the three points at the top right.

2. In the menu that appears, select Configuration.

3. In Settings, go to the tab About Chrome.

4. Now, Google Chrome will automatically check for available updatesIf there is an update, it will be downloaded and installed automatically 🔄.

5. Disable VPN or Proxy Connection

While VPN or proxy apps are great for improving your online privacy and security, they can cause several issues.

Sometimes this SSL certificate error appears simply because you are hiding your real IP address.

You can try to disable the VPN and see if that helps. If the error persists, you can re-enable the VPN 🛡️.

6. Clear your browser's cookies and cache

If updating your Chrome browser didn't help, you can try clearing your browser's cache and cookies. Here's how to do it step by step 🔍.

1. Open Google Chrome, click on the three points in the upper right corner and select Configuration.

2. In Settings, go to Privacy and Security.

3. On the right, click on Clear browsing data.

4. Switch to the Advanced tab, select Cookies and other site data, and Cached images and files.

5. Once done, click on the button Delete data 🗑️.

7. Reset Chrome Browser

As mentioned, errors due to incorrect browser settings can also lead to the 'err_cert_authority_invalid' error. So, if the above methods haven't worked, consider resetting your browser settings.

To reset your Chrome browser, go to Settings > Advanced Options. Under the options advanced, look for the option Restore settings to default values and click on Reset browser settingsOnce this is done, restart your browser to correct the error code.

8. Change DNS

Well, the err_cert_authority_invalid can also occur due to incorrect DNS settings. Some users Windows has reported that they resolved the error message by changing DNS. So, in this method, users need to change the default DNS to Google DNS to fix the 'err_cert_authority_invalid' error in Chrome.

1. Go to Control Panel and click on the Network and Sharing Center.

2. In the next step, click on Change adapter settings.

3. Now right click on the connected network adapter and select Properties.

4. On the Networks tab, select Internet Protocol Version 4 (TCP/IPv4) and click on Properties.

5. Then select Use the following DNS server addresses. You must enter the values for Google DNS, 8.8.8.8 and 8.8.4.4 🆚.

These are the best methods for troubleshooting the 'err_cert_authority_invalid' error message. If you have any questions, let us know in the comments below! ✉️