How to Fix NET::ERR_CERT_DATE_INVALID Error on Chrome?

by Lucia Danes - -


Issue: How to Fix NET::ERR_CERT_DATE_INVALID Error on Chrome?

So today Google Chrome started displaying an error message “Your Connection is Not Private” ERR_CERT_COMMON_NAME_INVALID. Strangely, this message shows up when trying to access pages like,,, and other reputable domains. It shows up randomly and oddly enough I can still access the “blocked” site. It that serious?

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Solved Answer

In the past year, many people encounter a Google Chrome error SSL error NET::ERR_CERT_DATE_INVALID or NET::ERR_CERT_COMMON_NAME_INVALID, which is also known as “Your Connection is Not Private.” The message starts showing unexpectedly under various conditions at irregular intervals. For some people, the x button works and they can successfully close the error and access the required website. However, most of the victims are not allowed to close the “Your Connection is Not Private,” so to keep working o a web browser they have to close it forcefully and then reopen.

showing ERR_CERT_COMMON_NAME_INVALID error on Chrome

The “Your Connection is Not Private” or Net::ERR_CERT_DATE_INVALID error means that the Internet connection or the device itself is preventing Google Chrome from loading the page based on the fact that the page is not secure and accessing it poses a risk to one’s privacy. Sadly, but the culprit of this problem hasn’t been identified yet, but tech-savvy PC enthusiasts come up with several tips and tricks that often help to fix “Your Connection is Not Private” error. Here’s what you should try firstly:

  • If you are connected to the WiFi hotspot or using another public network, your connection may actually be no private. Therefore, if the “Your Connection is Not Private” net::ERR_CERT_DATE_INVALID error showed up while web browsing on a public network, we would recommend you to stop browsing and disconnecting from the current network.
  • Scan the system with a professional anti-malware utility. We recommend using Reimage. It might be that a malicious application or virus broke your web browser.
  • Disable doubtful third-party extensions on the affected web browser.
  • Reinstall Chrome or another affected web browser.
  • Check Date and Time settings. Incorrect date and time often causes this problem, so fix them if needed.

If these simple steps did not help to fix net::ERR_CERT_DATE_INVALID error, please try the following methods:

Clear Browser Cache

  1. Open Chrome and click on Menu icon.
  2. Open History and select Clear browsing data.
  3. Make sure to clean Browsing history and cache.
  4. Wait for the cleaning to be executed and then reopen the browser.

Disable Windows Firewall Temporarily

  1. Press Windows key and type Windows Firewall.
  2. Click on the first option and open Turn Windows Firewall off or on section.
  3. Select Turn off Windows Firewall and check if the issue still occurs.

Replace Current DNS Servers with Google DNS Servers

  1. Right-click on Windows key and select Control Panel.
  2. Open Network & Sharing settings.
  3. Right-click on your network adapter and select Properties.
  4. Select the Internet Protocol Version 4 (TCP/IPv4) and open Properties.
  5. Mark the Use the following DNS server addresses: option and enter these DNS server addresses:
  6. Apply the changes.
  7. Reboot the PC.

Modify Network and Sharing Settings

  1. Navigate to the Control Panel -> Network & Sharing Center.
  2. Select Change advanced sharing settings on the left.
  3. Expand the Home or work network (Current Profile) and Public network section.
  4. Now disable Network Discovery, File and printer sharing, and Public Folder Sharing options.
  5. Finally, turn on the Password protected sharing option.

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About the author

Lucia Danes
Lucia Danes - Security researcher

Lucia Danes is the news editor at UGetFix. She is always on the move because the eager for knowledge makes her travel around the globe and attend InfoSec events and conferences.

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