FIX: Err_cert_authority_invalid error in Chrome Chrome

Andrew Wafer
by Andrew Wafer
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  • Google Chrome is one of the most popular browsers on the market, but Chrome has its share of issues.
  • The most common warning related to network connections that aren’t properly secured is the err_cert_authority_invalid error.
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How to fix Err_cert_authority_invalid error in Google Chrome

Keeping your Windows 10 security features updated all the time is recommended if you want to safely complete all your daily tasks.

That’s why you should always use an antivirus program, the firewall protection should be enabled and your web browsers should be running on the latest available build.

The most common warning related to network connections that aren’t properly secured is the err_cert_authority_invalid error.

The message that comes along with the Your connection is not private error.

However, that doesn’t necessarily mean you are about to navigate towards a risky website as that might be a general error issued by your web browser or by the Windows 10 system.

These websites might not have an SSL certificate, the certificate might not be updated or the server created credentials or certificates which your web browser cannot rely on.

However, sometimes the err_cert_authority_invalid error is nothing but a malfunction – you can receive it on all websites or on pages that you know for sure that are secured.

Since in most cases this error message is prompted when using Google Chrome, we will focus on listing the troubleshooting steps for this particular web browser.

The solutions below also solve the following issues:

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  • err_cert_authority_invalid chrome windows
  • err_cert_authority_invalid chrome
  • net::err_cert_authority_invalid
  • net::err_cert_authority_invalid windows 10

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Instead of bothering with complicated fixes, you should rather switch to a safer browser like Opera.

This browser comes with a built-in tracker blocker that stops online trackers such as analytic scripts or tracking pixels that collect data from you. 

Together with the included ad blocker, these features help pages load faster and save your data consumption, ideal if you’re on a mobile connection.

And if you’re worried about privacy, get behind the free built-in VPN service that conceals your identity online.



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How do I fix Err_cert_authority_invalid error in Chrome?

  1. Check the Date and Time settings
  2. Adjust antivirus settings
  3. Disable extensions on Chrome and reset settings
  4. Clear history on Chrome
  5. Assign DNS Settings

1. Check the Date and Time settings

As a security measure, Chrome and all the other web browser clients will let you access webpages only if the Date and Time is set properly.

If, for some reason you rolled back the time or the date on your Windows 10 computer you will receive the err_cert_authority_invalid error each time you will try to access a page through the Internet.

Therefore, you should start the troubleshoot initiative by setting up the date and the time.

2. Adjust antivirus settings

For BitDefender:

  1. Click on Settings and go to Privacy Control.
  2. Switch to Antiphishing tab.
  3. From there set Scan SLL to Off.
  4. Depending on the BitDefender version you might have to follow this instead: go to Protection, choose Web Protection and turn off Scan SSL.


  1. Launch Settings and choose Active Protection.
  2. Then, pick Web Shield and choose Customize.
  3. The Unable HTTPS Scanning option must be unchecked.

For Kaspersky:

  1. Navigate to Settings.
  2. Click on Extend and select Network Settings.
  3. From there you should have several options related with the SSL scan.
  4. Choose the one that lets you navigate on all browsers.

3. Disable extensions on Chrome and reset settings

  1. Open Chrome and click on the Menu icon.
  2. Click on More tools and choose Extensions.
  3. Turn off all installed Extensions and then reboot Chrome.
  4. Go to Settings again, scroll down, and pick Show Advanced Settings.
  5. Under Privacy and security, you need to click on the Cookies and other site data from the right pane.
  6. Next, uncheck the Send a Do Not Track request with your browsing traffic option.
  7. Restart Google Chrome after applying all the tweaks from above.
  8. If Chrome gets stuck, you can use this guide for fixing it.

4. Clear history on Chrome

  1. Access the Chrome’s Settings.
  2. Scroll down and pick Advanced Settings.
  3. Select Clear Browsing Data.clear browsing data
  4. From the pop-up that will be displayed select the fields from the list and when done select Clear browsing data.

5. Assign DNS Settings

  1. Click on the Cortana icon and use the Search box for entering Network and Sharing Center.
  2. From the left sidebar then choose Change Adapter Settings.
  3. Right-click on the Adapter that’s currently active and select Properties.
  4. Pick Internet Protocol Version 4 and then select Properties.
  5. Click on Use the following DNS server address and type Google’s Public DNS servers:, respectively
  6. Apply settings and restart your Windows 10 machine.

These methods are all valid solutions that can fix the err_cert_authority_invalid warning error displayed by your web browser client.

If the problem persists, we will try to find more solutions to your problem. To that matter, don’t hesitate and get in touch with us by writing your observations in the comments field below.

FAQ: Learn more about Google Chrome

  • What does Err_cert_authority_invalid mean?

Err_cert_authority_invalid means that there’s a problem with the SSL certificate of the website you’re trying to access.

  • How do I fix Net :: Err_cert_authority_invalid?

You need to disable the HTTPS/SSL scanning feature in your antivirus software. If that doesn’t work, we have an expert guide to fix the problem.

  • How do I fix your connection is not private?

Try clearing your cache, change the DNS server, and make sure that your date and time are correct.

  • How do I clear SSL error in Chrome?

You need to click on the Clear SSL state from the Google Chrome settings. Here’s an excellent guide on how to fix the SSL error in Google Chrome.

Editor’s Note: This post was originally published in April 2020 and has been since revamped and updated in August 2020 for freshness, accuracy, and comprehensiveness.

Editor's Note: This article was originally published in September 2017 and was revamped and updated in August 2020 for freshness, accuracy, and comprehensiveness.