How To Fix ERR CERT AUTHORITY INVALID Chrome Error

Among desktop operating systems, Windows is not the safest option. Because of this, security experts advise Windows OS users to use antivirus software. Fortunately, there are a plethora of online security tools that can shield Windows from malware, including firewalls, VPNs, antivirus software, and more.

Nevertheless, Windows users still receive some warning messages, particularly in the web browser, in spite of all these tools. The "err_cert_authority_invalid" web browser error is one of the most common ones on the Chrome browser. "Your Connection is not private" is the read screen error message that displays.

It's not always a sign that the website you are about to visit is dangerous, even if you also receive the same error message when you visit your favorite website. The error message "err_cert_authority_invalid" appears when the browser is out of date or the certificate is no longer valid.

Best Ways to Fix ‘ERR_CERT_AUTHORITY_INVALID’ Chrome Error

So, in this article, we have decided to share some of the best methods to help you fix the ‘ERR_CERT_AUTHORITY_INVALID’ error message from the Google Chrome browser. So, let’s check out how to fix the ‘err_cert_authority_invalid‘ Chrome error message.

1. Check the Date & Time

The ‘err_cert_authority_invalid’ sometimes occurs due to incorrect date & time settings. Wrong time and date settings create incompatibility issues between the SSL Validation and the System clock, leading to the ‘err_cert_authority_invalid’.

So, before following the next steps, check the date & time settings. Right-click on the Taskbar and select ‘Adjust Date & time’. From there, make the appropriate changes.

2. Disable The Antivirus & Firewall

The SSL Certificate issues mainly occur when the Firewall blocks the incoming traffic. To fix that, users must disable the Antivirus tool and Firewall.

To disable the firewall, head to the Control Panel and disable the firewall from the Firewall Settings. Once done, restart your computer, and the error message ‘err_cert_authority_invalid’ will be fixed.

3. Disable Chrome Extensions

If you get the ‘err_cert_authority_invalid’ error message after installing a new Chrome extension, the extension might be the culprit. So, if the above methods have failed to fix your web browser’s error message, you need to turn off all Chrome extensions.

To turn off the Chrome extension, head to Settings > Extension. There you will see the list of all enabled Chrome extensions. Disable all and restart your Chrome browser.

4. Update Your Web Browser

The next best thing you do to deal with NET::ERR_CERT_AUTHORITY_INVALID error is to update the web browser. Since the error message mainly appears on Google Chrome; we have shared the steps to update the Chrome browser. Here’s what you need to do.

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

2. On the menu that appears, select Settings.

3. On Settings, switch to the About Chrome tab.

4. Now, Google Chrome will automatically check for all available updates. If any update is available, it will be downloaded & installed automatically.

That’s it! This is how you can update your Google Chrome web browser to resolve the NET::ERR_CERT_AUTHORITY_INVALID error.

5. Clear the Web Browser Cookies and Cache

If updating the Chrome browser didn’t help, you can try clearing the browser cache and cookies. Here’s how to clear the web browser cookies and cache in easy steps.

1. Open Google Chrome, click on the three dots at the top right corner, and select Settings.

2. On Settings, switch to Privacy and Security.

3. On the right side, click on Clear Browsing Data.

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

5. Once done, click on the Clear Data button.

That’s it! This will clear the Google Chrome cache and cookies.

6. Reset Chrome Browser

As mentioned, incorrect browser settings also lead to several errors, including ‘err_cert_authority_invalid’. So, if the above methods have failed to fix the error message, you might consider resetting the browser settings.

To Reset your Chrome browser, head to Settings > Advanced Options. Under the Advanced options, find the option ‘Restore Settings to their original defaults‘ and click on the ‘Reset Browser Settings‘. Once done, restart your browser to fix the error code.

7. Change DNS

Well, the err_cert_authority_invalid also occurs due to incorrect DNS Settings. Some Windows users have reported fixing the error message by changing the DNS. So, in this method, users need to change the default DNS to Google DNS to fix the ‘err_cert_authority_invalid’ Chrome error.

1. Head to the 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 Networking tab, select the Internet Protocol Version 4 (TCP/IPv4) and click on ‘Properties‘

5. Now click on ‘Use the following DNS Server addresses‘. You need to fill in the value of Google DNS, 8.8.8.8 and 8.8.4.4.

Now open the Google Chrome browser, and the error will be fixed.