3 Tips to Fix Chrome Certificate Transparency Required Error

You may need to update Google Chrome to solve this issue

by Sagar Naresh
Sagar Naresh
Sagar Naresh
Sagar is a web developer and technology journalist. Currently associated with WindowsReport and SamMobile. When not writing, he is either at the gym sweating it out or playing... read more
Fact checked by Alex Serban
Alex Serban
Alex Serban
Browser & Networking Expert
After moving away from the corporate work-style, Alex has found rewards in a lifestyle of constant analysis, team coordination and pestering his colleagues. Holding an MCSA Windows Server... read more
Affiliate Disclosure
  • Certificate Transparency helps users and Certificate Authority to check for unauthorized SSL certificates issued to websites.
  • While often the error is from the website's end, you cannot rule down issues at the user's end.
  • This guide list down some effective tips that you can follow to fix the problem of Chrome Certificate Transparency required.
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Certificate Transparency (CT) is a system that is mandatory for all SSL (Secure Sockets Layer) that lets the public see what certificates have been issued by the Certificate Authorities (CA).

If a certificate authority issues an SSL certificate to a website without logging it in CT, then this could give rise to multiple errors, including the Chrome Certificate Transparency required.

To be specific, because of the error by the certificate authority, you will see an error message ERR_CERTIFICATE_TRANSPARENCY_REQUIRED in Google Chrome.

There is nothing to worry about this error in Google Chrome, which is experienced commonly. However, if you do not have any information about SSL errors, then you might get lost searching for solutions to fix errors such as Chrome Certificate Transparency required.

Certificate Transparency (CT) is a system log that can be used to detect incorrectly issued certificates, allowing one to check unauthorized issuance.

While the Chrome Certificate Transparency required error occurs mostly from the website owner’s end, there are cases where the problem is caused from the user’s end.

In any case, this guide is here to help you fix the problem. We will give you some effective tips that will resolve the Chrome Certificate Transparency required error. Let us check it out.

Quick Tip:

The Opera browser has already adopted procedures and processes for Extended Validation certification, keeping it at the forefront of standard compliance.

A black security symbol with a padlock in the address field indicates Extended Validation websites. Opera has built-in protocols for automatically verifying that everything in a website certificate is valid.


Test certificate validation in this browser to see exactly where is the issue.

What causes the Google Chrome Certificate Transparency required error?

In simple words, with Certificate Transparency, you can monitor all the incorrectly issued SSL certificates to websites.

This ultimately helps to enhance the overall safety and security online and also provides a safer environment for users surfing the web.

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With a correctly logged SSL certificate on Certificate Transparency, authorities (CA), users, and domains can scrutinize the certificates of a website.

CT helps in making the process faster to detect and revoke unauthorized SSL certificates while also eliminating hackers and bad actors in the process.

Now that you have some knowledge of what Certificate Transparency is and how the Certificate Authority uses it to check SSL certificates, let us take a look at the solutions to resolve the Chrome Certificate Transparency required error.

How can I fix Chrome Certificate Transparency required error?

1. Update Google Chrome

  1. Launch Google Chrome.
  2. Click on the 3-dot menu icon.
  3. Navigate to Help, then to About Google Chrome.PDFs not loading in Chrome
  4. Chrome will automatically check for new updates, and install the latest one, if available.

Keeping Google Chrome up to date is a very important thing, as not only do you get to enjoy all the latest features it has to offer, but it also updates the security features of the browser.

There are chances that the previous version of Chrome had some bugs that triggered the error for you. In such a case, check for a new update and install it immediately if Chrome detects a new one.

2. Clear SSL State

  1. Open the Start menu.
  2. Search for Internet Options and open it.
  3. Switch to the Content tab.
  4. Hit the Clear SSL State button.
  5. Click on Apply and then OK.
  6. If required, restart your browser and then check if this fixes the Chrome Certificate Transparency required error or not.

When you perform the above steps, you are basically clearing the SSL certificate cache of your browser.

Because of a corrupt SSL certificate cache, your browser will throw up multiple security errors, including the Chrome Certificate Transparency required error.

Simply follow the above steps to clear the SSL certificate error and hopefully get rid of the ERR_CERTIFICATE_TRANSPARENCY_REQUIRED error.

3. Disable Windows Firewall

Note icon
You should never turn off Windows Defender Firewall or any other third-party antivirus on your PC unless you know what you are doing.

  1. Open the Start menu.
  2. Search for Windows Defender Firewall and open it.
  3. From the left pane, click on Turn Windows Defender Firewall on or off.
  4. Click on the Turn off Windows Defender Firewall boxes for both Private and Public network settings.

This method should only be used if none of the other two solutions worked for you. Your firewall may be checking SSL traffic, causing the error to show up on Chrome, ultimately causing the Certificate Transparency error.

You can disable the firewall or any other antivirus software that you have installed on your PC and then visit the website on Chrome and check if this fixes the issue or not.

What else can I do to resolve the error?

The above three solutions have helped users fix the problem at their end. However, if none of them helped you, then we have a few tips up our sleeves that should possibly get rid of the error.

  • Clear browser cache
    1. Open Chrome.
    2. Click on the 3-dot menu icon.
    3. Select Settings.
    4. From the left pane, click on Privacy & Security.
    5. Hit Clear browsing data.
    6. Make sure to check the Cookies and other site data, and Cached images and files boxes.
  • Disable extensions
    1. Open Chrome.
    1. Click on the 3-dot menu icon.
    2. Navigate to More tools followed by Extensions.extensions-chrome your connection was interrupteda network change was detected. err_network_changed
    3. Disable all extensions and check if this fixes the issue or not.

That’s it from us in this guide. We hope that you were able to fix the Chrome Certificate Transparency required error using the above solutions mentioned.

Do let us know in the comments below which one of the solutions helped you fix the problem and also let us know if you applied a different solution to fix the problem.

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