Windows 10: invalid security certificate

Discus and support invalid security certificate in Windows 10 Network and Sharing to solve the problem; Since updating Windows 10 Nov 2018, I have had internet connection problems. Now I have invalid security certificate and can't connect to the Internet... Discussion in 'Windows 10 Network and Sharing' started by vgmiller, Nov 18, 2018.

  1. vgmiller Win User

    invalid security certificate

    Since updating Windows 10 Nov 2018, I have had internet connection problems. Now I have invalid security certificate and can't connect to the Internet via wifi or Ethernet connection. I can't find a solution to the problem. I've tried running troubleshooter but no luck. I reset my cable modem and router but still it's not working. This is only affecting my laptop. My Kindle and desktop are connecting either via wifi or ethernet so I know my network is up and running. Can someone help?

    vgmiller, Nov 18, 2018
  2. thornebay Win User

    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
    thornebay, Nov 18, 2018
  3. Expired security certificate for

    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.

    Vanessa Yar, Nov 18, 2018
  4. invalid security certificate

    security certificate


    Thank you for posting your query on Microsoft Community.

    I would like to know if this issue occur on Different Web browsers too?

    I would suggest you to try the following steps, when you access secured website you may get this error message.

    1. Open Internet Explorer and verify that the page you are trying to view is listing a certificate error.

    2. To clear the certificate error goes to Tools --> Internet Options from the menu of IE 11.

    3. Click on the advanced tab and scroll down to the security section. Clear the boxes for: "Check for publisher's certificate revocation" and "Check for server certificate revocation".

    4. Click Apply and Ok.

    5. Attempt to reload the page by clicking the Refresh button at the end of the address bar or by pressing the F5 key. Your page should now load as expected.

    This error can be cause by the SSL certificate of the website – maybe it was not issued by a trusted Certification Authority on the client side. It could even be an attempt to fool you or intercept data you send to the server. Or maybe the certificate has

    I suggest you to refer to the Microsoft help article and check if it helps.

    I would suggest you to refer the link below and check if it helps:

    Certificate errors: FAQ

    Hope this information was helpful and do let us know if you need further assistance. We will be glad to assist.
    Swathi Ravichandran, Nov 18, 2018

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