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This guide will give you potential solutions to the NET::ERR_CERT_AUTHORITY_INVALID probrlem in Chrome, including quick fix and permanent solutions.

When trying to access a https website in Google Chrome, you may have come across an error message: Your connection is not private along with the code NET::ERR_CERT_AUTHORITY_INVALID. It happens when Chrome finds the SSL Certificate of a website invalid.

Potential causes are:

  1. The Chrome Browser is old.
  2. The website’s certificate is self-signed, or signed by an untrusted certificate authority.
  3. The connection between the certificate and the browser is not secure.

Quick fix(try this only if you’re sure the website is safe):

On the error message page, click Advanced,

then click Proceed to [website address] (unsafe), and you can go to the website.

If you don’t know whether the website in question is safe or not, you can try the solutions below to better troubleshoot the NET::ERR_CERT_AUTHORITY_INVALID problem.

Potential solutions you can try:

1. Contact the website admin

To permanently fix the Invalid Certificate Authority error you need to contact the website admin to re-install the SSL Certificate of a valid Certificate Authority.

2. Update your Google Chrome

You may try updating your Google browser to the latest version to hep solve the problem. To do so:

In your Google Chrome, click the three dots on the far right, and select Help > About Google Chrome (then check for updates).

3. Manually install the Certificate

If the website’s certificate is self-signed, or if the certificate is valid but the connection is not accepted by Chrome, you can take the following steps to manually install the certificate in Chrome.

3.1 Export the certificate from Chrome

Firstly, you need to download(export) the certificate from Chrome. If you’ve already had the certificate on your PC, you can now go to the next section — import the certificate to Chrome.

1) On the error message page, click on Not secure beside the address bar, and select Certificate.

2) Click the Details tab, and the Copy to File... button.

3) Click NextNext, and the Browse… button

4) In the left pane, click on Desktop. In the box, type a name for the file (for example, you can name it “test”), then click Save to download the “test” file to Desktop.

5) Click Next > Finish OK.

6) Now you’ve exported the certificate to  your computer, then you can import it to Chrome.

3.2 Import the certificate to Chrome

1) Click the three dots in the upper right corner of Chrome and select Settings.

2) Scroll all the way down to find and click Advanced.

3) Under Privacy and security, click on Manage certificates.

4) Click the Trusted Root Certification Authorities tab, and the Import button.

5) When prompted, click Next > Browse… and select the certificate file from Desktop, then click Open.

6) Click Next > Next > Finish.

7) Click Yes > OK.

8) Click Close.

9) Restart your Google Chrome browser, and you should be able to access the website without encountering the certificate error message.

So, these are several solutions to you can use to solve the NET::ERR_CERT_AUTHORITY_INVALID problem in Chrome. If you have any questions or need any help, feel free to comment below.

By Wendy Mai

Wendy is a technical writer who loves words and technology. In writing how-to articles, she helps people find quick solutions to their technological problems.


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