If you are surfing the internet regularly, the chances are that you are using Chrome. Chrome is a powerful browser by Google and is available across a wide variety of platforms. However, often you might run into an error. One of the common errors that you might get on chrome is the Error NET::ERR_CERT_INVALID. This error means that Chrome found the website you want to visit’s certificate invalid. Follow the methods given below in order to get around this error:

Top 9 Methods to fix Google Chrome Error NET::ERR_CERT_INVALID

The best methods for fixing Google Chrome Error NET::ERR_CERT_INVALID.

Update Chrome

Try updating Chrome. Before trying to solve any errors, make sure that your application is updated to the latest version. New updates not only make the app more stable and faster, but also solve bugs associated with the previous versions. To update Chrome manually, follow the steps given below:

Google Chrome
Google Chrome
  1. Launch Chrome browser.
  2. In the address bar, type chrome://help/ and press enter.
  3. Chrome will now check for updates and download any if available automatically.
  4. Once the update process has been completed, restart chrome and see if you still get the Error NET::ERR_CERT_INVALID fix.
    You can also try restarting your device and then trying to open the site again.

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Change Date Settings

The Error NET::ERR_CERT_INVALID generally occurs due to date mismatch. Make sure the date and time on your device are correct. By default, the time zone for you may be set incorrectly by Windows. This leads to the error. To fix time on a Windows 10 computer, follow these steps:

  1. Right-click on the time widget in the taskbar and select Adjust date/time.
  2. In the window that pops up, turn off Set time automatically and Set time zone automatically.
  3. Select your Time zone manually from the drop-down menu.
  4. Turn on Set time automatically and Set time zone automatically.
  5. Restart your PC and see if you get the error.

If you still get the NET::ERR_CERT_INVALID Chrome error, the problem may lie at the server-side and nothing can be done at your end. Try visiting the site again after some time.

Incognito Mode

Open the site in incognito mode. Plugins may be a reason for the NET::ERR_CERT_INVALID error. In such a case, make sure all the installed plugins are disabled in incognito mode. To open the incognito window, press the Ctrl + Shift + N key combination.

Incognito Mode
Incognito Mode

This should open a new incognito window. In the address bar type the site address and see if are still getting the NET::ERR_CERT_INVALID error. Please note that in incognito mode, your history is not recorded so bookmark all the important links before closing tabs or windows.

Reinstall Chrome

There is a likely chance that another application or user has tampered with the installed files. A virus infection may also be a cause. In such a case, try installing a reliable antivirus and perform a full system scan. To reinstall Chrome on a Windows PC, follow these steps:

  1. Press the WINKEY + S key combination simultaneously.
  2. In the search box that appears, type Control Panel and hit enter.
  3. Select Uninstall a program under the Programs subheading.
  4. In the list, double click on Google Chrome. This should open the Uninstall Wizard. Follow the on-screen steps to complete the uninstall.
  5. Open Microsoft edge and head to google.com
  6. Click on Get Chrome in the top right corner.
  7. Once the download completes, open the setup. Chrome will install automatically on your PC depending on the speed of your Internet connection.
  8. Try visiting the site again and see if you get the NET::ERR_CERT_INVALID error.
  9. You can also try restarting your PC after the reinstallation.

Disable Anti-Virus

In some cases, antiviruses restrict some sites in order to safeguard your device. Disabling your antivirus may allow you to visit the site without any problem. However, it is unsafe to disable the antivirus while using the internet and it is highly recommended that you turn it back on after you are done.

Disable Your Antivirus
Disable Your Antivirus

You can also try disabling the Windows firewall. To do this:

  1. Press the WINKEY + S key combination simultaneously.
  2. In the search box that appears, type Control Panel and hit enter.
  3. Click on System and Security.
  4. Select Windows Defender Firewall.
  5. In the left menu, select Turn Windows Defender Firewall on or off.  You need administrator privileges in order to do this step so make sure that you are the admin.
  6. In Private network settings, select Turn off Windows Defender Firewall (not recommended).
  7. In Public network settings, select Turn off Windows Defender Firewall (not recommended).
  8. Click OK.
  9. Try visiting the site now and see if you still get the NET::ERR_CERT_INVALID error.

Don’t forget to turn on your antivirus and firewall once you are done. Disabling them might leave your device vulnerable to attacks.

Disable Proxy Server

Proxy Servers act as a middleware between the client and the server. The net_err_cert_invalid error often arises if the proxy server is active. The proxy server makes your Local Area Network connection anonymous. In that case, the websites cease to be accessible. You can turn off the proxy server in a couple of steps to fix this chrome error.

  1. Firstly, open Google Chrome
  2. In the upper right corner, you’ll see three dots. These dots indicate the drop-down menu. Click on it.
  3. Navigate to the setting and select it.
  4. The Google Chrome settings will open up. Scroll to the bottom to see the Advanced Settings option. Select that.
  5. In the advanced settings, you should see a system settings part.
  6. Under System settings, select Open Proxy Settings and open the Connections Tab.
  7. You will see another setting option under Connections. Select that
  8. Finally, you can uncheck the box that says use a proxy server for this connection and select automatically detect settings instead. Click OK

This should fix the error for you.

Windows Update

As we’ve already mentioned that you can update your Google Chrome to make the error go away. Alternatively, it would be best if you also kept your windows up to date. In the Windows Settings, select Update & Security. The first option on the left will say Windows Update. Check for any new updates. If new updates are available, then install them. Don’t forget to restart your PC once updated. 

Reset Browser Settings

Resetting your browser settings to the default ones may help you resolve the error. However, it’s not the most reliable method because it does not eliminate any invalid settings causing the error. Follow these steps to reset it:

  1. Launch Google Chrome and go to settings as mentioned in the method above.
  2. Scroll and navigate to Advanced settings. Select it.
  3. Further, click on Reset settings. A dialog box will show up for confirmation. Select Reset. 
  4. Restart your PC or re-launch the browser after the reset.

Clear Cache

To clear your cache from Google, once again launch the browser and go to Settings. Select Privacy and Security and choose Clear browsing data. Once removed, restart your browser. It is recommended that you keep this as your last resort. Go for it if you are sure that the website is secure.


What causes net_err_cert_invalid?

The occurrence of this error is an indication that the network is not private. In this case, chrome becomes suspicious of the site’s security certificate.

What does the error mean?

This error means that the certificate is invalid and distorted. Hence, it is not acceptable.


If none of the above methods work, you can try using another browser like Microsoft Edge, Firefox, or Opera to open the same site. If you do not get the error in any of these browsers, then use that browser till the Chrome app can update officially by Google to solve the problem. Even if the site does not work on any of the other websites, try visiting it using a different device or on a different internet connection. If none of these work, it means the problem lies on the server end. Try visiting the site after some time.

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You can always find me playing the piano or playing FIFA when I'm not binge-watching TV Series with pizzas. Fountainhead of TechWhoop. Life motto: The only time success comes before work is in the dictionary.