How to Repair: There is a problem with this website’s security certificate

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When loading pages such as Twitter, Facebook, eBay or other legitimate domains, have you noticed the error “There is a problem with this website’s security certificate”? This is a common problem encountered by users of Windows 10 and earlier versions of Windows. The problem is not defined by a specific web browser, as people have reported this security certificate problem through Google Chrome, Mozilla Firefox, Microsoft Edge, and others.

Some people cannot launch a particular website, while others cannot access a number of legitimate domains. According to Microsoft experts, the error “There is a problem with the security certificate for this site” may occur if the site’s certificate is not installed correctly or if a trusted root certificate from the Certification Authority (CA) is not installed.

To resolve the problem, contact the owner of the problematic website or install the root certificate for the certification authority (CA). If the problem is not related to certificates, check that the system clock is set correctly. To resolve the “There is a problem with this site’s security certificate” error on Edge or another web browser, you should follow our instructions and try a few methods to make sure it works.

Installing Missing Certificates from Trusted CAs

If the first method did not solve the problem, it is clear that the time and date have nothing to do with the problem. At this point, the biggest potential culprit is the absence of some important root certificates from a trusted Certificate Authority (CA).

Several affected users have confirmed that they were able to resolve the problem after downloading and installing each third-party root certificate through the Windows root certificate program.

You can do this either by sharing local security policies and certificate manager tools or by performing a manual installation from the management console.

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Check the time and date on your computer

One of the most common causes of the error message “There is a problem with the security certificate of this website” is an incorrect system clock.

Sometimes the time and date can change without you realizing it, which can cause the message “There is a problem with this website’s security certificate” to appear when you try to access certain websites.

To resolve this problem, you should do the following:

  • Click on the clock icon in the lower right corner and select Customize Date/Time.
  • Check your time and date. If your time and date are not correct for any reason, you will need to disable the automatic time setting option and then click the “Change” button.
  • Set your time and date, then click the Edit button.
  • Then check if the problem is solved. If the problem is resolved, activate the Set the time automatically option.

Uninstall Browser Safeguard

It turns out that this particular problem can also be caused by a PuP (Potentially Unwanted Program) called Browser Safeguard – there may be other similar programs that cause this behaviour.

Some users who have dealt with certificate errors on an installed browser have reported that the problem was completely solved after uninstalling the problematic application.

Name Mismatches Setting

If you receive a message saying “The security certificate submitted by this site was issued for the address of another site”, with your version of the security certificate error, it could mean that the certificate has a mismatched name. You should not change this setting, as it must be enabled to avoid security problems, but if you insist, follow these steps:

  • Open Internet Explorer.
  • Select the options selection, then select “Internet Options”.
  • Select the “Advanced” tab.
  • Scroll down to the “Security” section and uncheck the option “Warn me if there is a mismatch in the certificate”.
  • Select “OK”.
  • Restart the computer.

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