It is a normal problem that when you use the browsers such as Google Chrome, Opera etc to view one website, you may get the error of Your Connection Was Interrupted, A Network Change Was Detected. There are four ways you can try to fix it:
Change another WiFi router to connect to your computer again if you have another one.
Flush DNS cache. Open the command prompt with the administrator account, and type in ipconfig /flushdns, then press Enter.
Change your Internet Protocol IPV4 DNS Address.
Adjust your Lan Settings to uncheck the option of Use a proxy server for your LAN.
And here is the tutorial with pictures you can follow it: https://windows10skill.com/your-connection-was-interrupted-windows-10/
Wish this can help you.