NTE:: ERR_CERT_COMMON_NAME_INVALID “ is one of the most common problems you may see in Google Chrome.

  • Third-party extensions
  • The security programs like firewall and antivirus software.

Method 1: Find out the Problematic Extension

If you try to visit a website in Chrome but encounter the problem “NTE:: ERR_CERT_COMMON_NAME_INVALID”, there may be something wrong with a certain third-party extension. You can check the problematic extension with the following steps:

Method 2: Clear Cache and Data

Sometimes, the corrupted cache or cookies can cause NET:: ERR_CERT_COMMON_NAME_INVALID in Chrome. You can try clearing them to fix it.

Method 3: Check Proxy Settings

Another way to fix the problem is to check your proxy settings which have a direct impact on your browsing environment.

Method 4: Disable Antivirus or Firewall

Some antivirus software might block strange SSL certificates or connections. Therefore, you can try disabling your security programs including third-party antivirus software and Windows Firewall temporarily. Then check if the error still exists.