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Help, why do I keep getting these certificate messages?

Ron KnightsRon Knights Posts: 1,783
edited July 31 in The Commons

I keep getting them on my Windows 10 & Windows 11 computer. Why?

 

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Post edited by Ron Knights on

Comments

  • Richard HaseltineRichard Haseltine Posts: 100,781

    For Daz or for other sites? What browser and security software are you using?

  • Ron KnightsRon Knights Posts: 1,783

    Richard, I often see that message when the computer is on the Windows home screen. No browser is working, and I'm not on any web site.

  • jbowlerjbowler Posts: 794

    Open the Windows "task manager".  It should identify the program which is putting up the dialog.  It it's something you trust fine, if it's not try to find a way of uninstalling it.  The web can help with obscure program names; rather a lot of the major vendors have programs with incomprehensible names which run all the time.

    If you do trust it click on "view certificate"; it should identify the web resource the program is trying to access.  If it's unclear what is being accessed my normal approach is to block that site on my local network but you may not have a network setup that allows this.

  • Richard HaseltineRichard Haseltine Posts: 100,781

    Which certificate is it?

  • NylonGirlNylonGirl Posts: 1,807

    Is this the same miniature computer you bought from the shady website where everybody told you it would come with a virus?

  • Ron KnightsRon Knights Posts: 1,783
    edited August 1

    No it's not the mini computer.

    Here is the other side of the certificate. There is a mention of testexp

    certificate02.png
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    Post edited by Ron Knights on
  • jbowlerjbowler Posts: 794

    Ron Knights said:

    Here is the other side of the certificate. There is a mention of testexp

    It's a privately signed certificate.  Do not *under any circumstances* install the root certificate (as in "do not press that button").

    Go to the task manager and find out which app is popping up that dialog then ask if you really want an app which is using a "test experimental" certificate on your computer.

  • Hemi426Hemi426 Posts: 212
    Usually this happens when the time/date of your computer is wrong
  • Ron KnightsRon Knights Posts: 1,783

    The time and date are just fine.

  • NylonGirlNylonGirl Posts: 1,807
    Was there some software recently installed on the computer? Or something downloaded from an extra iffy website?
  • BejaymacBejaymac Posts: 1,886
    edited August 5

    I'm no expert on this, but from what I'm reading online it sounds like you have software that is trying to "phone home", but somewhere between your ISP's home server and it's home server it's being blocked.

    Post edited by Bejaymac on
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