Your connection was interrupted.A network change was detected.ERR_NETWORK_CHANGED.
I got the error message in google chrome:

Check your Internet connection
Check any cables and reboot any routers, modems or other network devices you may be using.

Troubleshoot:Windows can’t communicate with the device or resource(Primary DNS server).
Solution:1

1.First of all check your network adapter, it enabled or not.

2.If you are using internet via wifi(Hotspot) check if internet connection is enabled or not.

Solution:2
1.If you are using internet via wifi(Hotspot) suddenly doesn’t disable it.

2.In this video /”Primary DNS server/” refers,to If you are using in institution network they are doesn’t enable/”DNS server/

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