Chromecast Error "Something went wrong"? Try these fixes - Appuals.com
Don't fall victim to the Chromecast hackers – here's what to do – Naked Security
AP Isolation Disable - TPG Community
Lock Down Your Wi-Fi Network With Your Router's Wireless Isolation Option
Google Cast and Google Home Causing WiFi Drops No Matter the Router
Google Nest on Twitter: "@willowspuppy You'll see your Chromecast on your Network if it's not set up. Since you were able to cast your Netflix app, your device is working as intended.
Keep getting this error, Chromecast worked fine yesterday. : r/Chromecast
Chromecast setup was successful but cannot be found : r/googlehome
Solved: Chromecast requires to disable AP isolation on my Huawei Home Gateway HG630 - TPG Community