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Fix Net::ERR_CERT_INVALID Error on Chrome

Google is stringent in maintaining user privacy by providing high-level security for all of its Internet products. If Google finds any security breach in users’ privacy, it will restrict users from accessing things online.

One such warning you may have encountered while browsing Chrome is HTTPS / SSL Error with the message “Your connection is not private.” The warning will come along with a red padlock that shows, “The connection is not secure.”

Discuss these problems and all the possible solutions to fix them. The caveats we generally see are;

  • net::err_cert_authority_invalid
  • err_cert_common_name_invalid
  • net::err_cert_date_invalid
  • net::err_cert_weak_signature_algorithm

What Causes Invalid Net Err Cert Error in Google Chrome?

The above HTTPS error occurs due to various reasons individually;

Net:: err_cert_authority_invalid

  • The issued certificate is obsolete.
  • The browser is old.

Net: Err_Cert_Common_Name_Invalid

  • The certificate does not match the issuer’s name
  • Google Chrome browser error
  • Address error due to Certificate mismatch

Net: err_cert_date_invalid

  • The date on the computer is wrong.
  • The certificate is out of date.

Fix Net: ERR_CERT_INVALID Google Chrome Error

Solution 1. Date and time correction

On your Windows PC, click on the location that indicates the Time / Date and correct the date to the exact one.

Reload the page, and you should see the warning gone with the page loaded on the green padlock showing the “secure page.”

Solution 2. Chrome extension problem

Open the error when generating the web page in the incognito mode of the Chrome browser. failed to load resource: net::err_insecure_response Work on the development site and edit the Ready Theme’s main navigation bar.

If the page is safely opened in private mode, a Chrome extension is causing the error.

To correct the error, turn off the extension. Just go to; chrome: // extensions and uncheck all extensions.

Solution 3. Install Trusted Certificate

You should only use this solution if you are in dire need.

Step 1. Click the HTTPS lock icon and Hit Details

Also, you can go to More Tools> Developer Tools; Click on the Security tab.

Step 2. Click on “View Certificate.”

Step 3. Press “Details” in the certificate viewer and select the highest certificate (it must be from an address other than the one you were trying to)

Step 4. Then press “Export” and save the certificate file.

Step 5. Go to Chrome Settings → Advanced → Manage Certificates.

Step 6. Press “Import.” Select the certificate file you saved above and hit enter to grant all options.

Restart Chrome, chrome://restart(reopen all your tabs).

This will fix the problem of NET Err Cert Authority Invalid and Invalid NET Err Cert Common Name.

Solution 4. Import trusted SSL certificate

To fix – Err_Cert_Authority_Invalid

If you failed to load resource: net::err_cert_authority_invalid then Do a Google search and download the SSL Issuer Root CA Certificate to your PC.

Then go to Chrome Settings → Advanced → Manage Certificates

Here, click on Intermediate Authorities and import the downloaded root certificate. This will surely fix the warning error in the Chrome browser.


Solution 5. Uninstall the antivirus software

If you have an antivirus that provides ‘HTTPS protection’ or ‘HTTPS scanning,’ it prevents Chrome from providing security.

Turn off the AV and if the page loads normally, make the necessary changes to prevent the AV from interfering with Chrome.

Solution 6. Change the protocol DNS settings

DNS server change

Step 1. Search for ‘ ncpa.cpl ‘ in Windows.

Step 2. Look for the option called Internet Protocol Version 4 (TCP / IPv4).

Step 3. Click on it and click the Properties button.

Step 4. Now manually use the following DNS servers; Preferred DNS server like and Alternate DNS server like (Google Public DNS) (Set IP as automatic)

Step 5. Restart your browser and check the websites.

This will fix the net certificate error common name error in Chrome.

Solution 7. Clear Google Chrome’s DNS cache

Step 1. Just visit the URL ‘ chrome: // net-internals / # dns ‘.

Step 2. Click the Clear Host Cache button next to Host Resolution Cache.

Step 3. You will notice that the websites work correctly.

Step 4. This is one of the most accessible and useful solutions to stop the DNS server problem.

Solution 8. Proceed to the site

If you do not share any of your data or passwords and you want to navigate the site, you can visit the site without any problem;

Advanced → Go to the site (insecure) → Done

Solution 9. Update the software

Updating the Chrome browser or Windows software, if available, can largely solve the problem.

It is recommended that you first go with the Chrome update – Settings → Help → About Chrome → Update Chrome.

Solution 10. Reset settings to default

You can also restore the original Chrome browser settings and check the solution.

Settings → Advanced → Scroll down and reset

Solution 11. Clear history and data

You can also clear the history and fill in the Chrome browser data. This will help to remove any malicious certificates installed by some bad sites. This would be useful if you are facing problems with some specific sites.

Settings → Clear browsing data → Select delete cookies and caches → Hit Clear browsing data.

Solution 12. Various methods

If the above three methods don’t work for you, try the other methods listed below.

1. Uninstall the antivirus

Some people reported that after uninstalling their antivirus program (mainly McAfee), the problem disappeared.

2. Disable your firewall

Disabling firewalls can solve the problem, as some applications may interfere when Chrome tries to connect. This could be the solution for you too. Disable your firewall and check the error.

3. Try to connect in safe mode

Start your computer in a safe way and try loading Chrome. This will help you determine if any third-party software is causing the problem, as the safe way will only consist of useful embedded files. To do this, restart your computer and hold down the F8 key. Then select Safe Mode with the network from the list of options.

Note and Conclusion: With the above solutions, you can fix Net:: Cert Error in Google Chrome for Windows 7, 8.1, 10, and Mac. I hope the post was helpful. Please comment below for assistance or support if needed. Also, please provide your suggestions on the same.


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