The Certificate is Not Trusted Because it is Self-Signed - Mozilla Firefox

The certificate error “the certificate is not trusted because it is self signed” error is the problem with the website you are visiting not with Mozilla Firefox browser. The website is supposed to show a security certificate to display that website is safe & secure to user. If you want to open a website on Mozilla Firefox browser and get a script error “The certificate is not trusted because it is self signed”

Given below are steps to resolve this issue:-
•    In the address bar of Mozilla Firefox Browser Type “about:config” then hit enter
•    Then new window will appear, in new windows search “browser.xul.error pages enabled”
•    If the value from the same line is not correct, then double click on it (it will automatically correct)
•    Then try again to open the website on Mozilla Firefox browser, windows will appear with option of adding exception that allows you to view the website

You can do exception process manually as well by following given below steps:-

1. Click on “Tools” menu and then click on “Options” .
2. Click on “Advanced”, then click on tab “Encryption” .
3. Click on the “View Certificates” button.
4. Select the tab called “Servers” from the popup that shows.
5. Click on the button “Add Exception” (bottom right hand side).

How To Fix Firefox Certificate Error

To protect internet users from viruses, spyware, Malware and other harmful software, web internet browser such as Internet Explorer, Mozilla Firefox, Google Chrome and Opera Browser have systems to recognize protected websites. A file named certification that placed on a protected server to set up the identification and validity of the company behind the website. These are typically websites that require access your private information (banking, bank cards, Social Security number) and therefore must recognize themselves to the internet browser. Sometimes, though, if a protected website's certification is written wrongly, it can produce a mistake. If you are certain a website is protected, you can easily clear these mistakes and accessibility the website.You can also read How To Remove A 404 Error In Mozilla Firefox

 
 Instructions


When You Click on Technical Details, You Would be Getting this Message Because of Time frame and Time issue, So please Check the Time frame after time again.

When the date and time is fine there is no mistake then you will continue to this page,

When you add exemption then it will let you perform on some sites but not on all.

 

After verifying the Protection Exemption you will be instructed to the involved website.But if it continue to persist again for other websites then it indicates that it is the issue with your Period of time and Time