Windows 10: all website certificates called invalid

I did a full restore on my desktop and although I could connect to the internet I can not get any webpage to open. I get a message that Your connection isn't private, and the certificate is invalid. Not even Microsoft login page. And since I can't get online I can't download any other browser to try.My desktop is connected to the internet with WiFi.So is my laptop, and that has no problems.

:)

 

invalid certificate

I am trying to log on to one of my own remote security cams and it says the certificate is invalid. I tried to put this on a safe site list but it won't run the active x to view images

 

There is a problem with this website’s security certificate

Hi,

Thank you for posting on Microsoft Community. I understand the inconvenience you are facing. I will certainly help you with this.

The information which you have provided is not enough for us to determine the issue. Please provide us more information.

• Does this error persist while browsing other websites too?
• Does this error persist while using other browser?

Kindly follow the below given steps and check if the issue persist:

• In Windows Internet Explorer, click Continue to this website (not recommended).
  
  A red Address Bar and a certificate warning appear.
• Click the Certificate Error button to open the information window.
• Click View Certificates, and then click Install Certificate.
  
• On the warning message that appears, click Yes to install the certificate.
  

Please post back with the results and the information asked, we will be glad to assist you further.

Thank you.

 

Expired security certificate for Metropcs.com

Hi David,

Getting the error message that says the site is using an invalid security certificate may be caused by missing certificates or could be due to web browser cache issues. To sort out this problem, try manually installing the missing certificates and deleting
the web browser's browsing history. Follow the steps below:

Manually installing the missing certificates.

• In Internet Explorer, click Continue to this website (not recommended), if the error message about having invalid security certificate pops up.
  
• Click the Certificate Error to open the information window.
  
• Click View Certificates, and then Install Certificate.
• On the warning message that appears, click Yes to install the certificates.

Clearing browsing history.

• Launch Internet Explorer.
• Click Tools (gear icon) on the top-right corner, then select
  Internet Options.
• Under General > Browsing history, click Delete.
• Tick the box for Temporary Internet files and website files.
• Click Delete.

Once done, try accessing the website again and see if you still get the same error.

Let us know the result.

Regards.