Do the same for “ Public Network” as well.Next, select “Private Network” and turn off the Windows Firewall as well.
The Firewall is an essential part of your computer, however, while casting is in progress you can turn it off and turn it back on when required. So the fix that worked and allowed us to cast an Android device to Windows 10 Connect app was to disable the Windows Defender Firewall. Steps to fix Connect app not working with Android Wireless Display 1. If you are also troubled by this issue, here is how to fix it and successfully project your Android wireless display to Windows 10 Connect app. This issue can occur suddenly and even if you were able to connect wirelessly without any issues before. Protected connect cannot be viewed on this device”.
