The Security Certificate has Expired or is not yet Valid - Reason and Solution

Security certificate is an important way to find a website is genuine and trusted. At the e-commerce age, any website without proper security certificates cannot be trusted because security certificate includes website identification and trust level. This tutorial explains a situation where you get the error message "The security certificate has expired or is not yet valid" while trying to access secure web pages from your computer. Some times you may get different but similar type error messages for the same issue like Secure Connection Failed. This can happen due to multiple reasons and some of them are listed below.
  1. Domain uses an invalid security certificate

  2. Connection between website and your PC is untrusted

  3. The security certificate has expired or not yet validated

  4. Different time set on your computer and server

Examination of security Certificates Errors

When your computer finds the website is no longer trusted by examining the certificate, it will show you any one of the messages below.

Another common error message is "Secure Connection failed" and it looks like in the image below.

Now it is the time to troubleshoot the issue and fix. Here I have prepared a process and it would be fine if you follow it when you see any security certificates error messages on your browser. If you are getting this warning for a single website only, you can conclude the issue is with the website. Otherwise, you may have to check your PC too.

  1. check the system date

    In my experience most of the users get the error message due to the wrong time set on their PC. If you receive any connection untrusted error message, at first check the system date on your computer. If the system date is wrong, you must correct it to the exact time. After correcting the time related issues, try to access the secure website.

  2. Change Browser

    If you face the issue with Firefox, try to open the same website on another browser.

  3. Change Browser security preference

    High security preference set on a web browser can also display error while you try to access a secure web page. Set lower security level on your browser and check for the issue. If you can visit the secure website after changing the security level, you may either keep the same settings or try to update the browser.

  4. Browser and OS update

    By keeping the Operating System and browser updated, you can avoid most of the issues like this.

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