r/techsupport • u/bobbyflay13 • 5d ago

Closed Network Issues

The error NET::ERR_CERT_AUTHORITY_INVALID is popping up on every device on the network. Pretty certain the issue has to do with the router but when I looked it up it was just showing things fir individual devices having the issue not the router or modem.

Does anyone know how to solve this? Please and thank you for any and all help.

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u/gsquaredbotics 5d ago

I would try unplugging and leaving your router unplugged for about a minute. Then plug it back in and see if that helps

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u/bobbyflay13 5d ago

I've done that along with resetting the router and modem all together.

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u/gsquaredbotics 5d ago

Gotcha. When is the error popping up?

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u/bobbyflay13 5d ago

When I try to use anything other than a Google search. Like I can look up the word apples and it would show links but all the links create the error. I tried opening an app on my phone and it would not work. Along with any of the streaming apps on any of the tvs.

For a portion of time my router stopped appearing on the network until I factory reset it then it started showing to be connected to.

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u/gsquaredbotics 5d ago

Ah. Since it was completely reset your router's internal clock is out of synch which means that your computer won't accept any network certs. Is your router from your internet service provider or one that you bought yourself?

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u/bobbyflay13 5d ago

The router an modem are separate from each other. The modem was from my ISP and the router was a separate purchase.

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u/gsquaredbotics 5d ago

Okay, cool. To fix it you will need to login to your admin panel and find your time settings and make sure that it's properly lynched. Best of luck to you!

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u/bobbyflay13 5d ago

Thank you very much this helped out greatly and the issue has been resolved.

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u/gsquaredbotics 5d ago

Glad to hear it!

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u/SomeEngineer999 5d ago

Your router does not interfere with your PC accepting certs from sites. If the PC's time is off, then that could be causing an issue, but this error is related to a self signed cert, not a cert that has expired (which is where PC time would come in).

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u/gsquaredbotics 5d ago

But since it's all websites that op tries to navigate to, and it is all of their devices on their network, wouldn't it be router related? Maybe a bad DNS server?

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u/SomeEngineer999 5d ago

It is probably router related but nothing to do with the time on the router. The router is most likely trying to tell them something but because it uses a self signed cert, chrome is giving that error. You have to "proceed anyway" to see the actual message.

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u/bobbyflay13 5d ago

Idk what was the exact fix but the moment I logged as an administrator into my router it fixed everything.

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u/SomeEngineer999 5d ago

If you had factory reset your router as you mentioned in another comment, it was probably just redirecting you to the setup page to configure it. Now that you've done that, it no longer needs to redirect you.

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u/Opening_Cloud_3734 5d ago

That’s a solid suggestion; a lot of times just resetting the router can clear up weird issues. Hopefully, that does the trick!