The elephant in the room: The official website still exists, but forum posts, support tickets, and social media accounts are largely unresponsive.
: Security software like Webroot can sometimes block the mirroring process. You may need to manually "Allow" or "Protect" the AirMyPC.exe process in your application protection settings. Network Connection airmypc registration key work
If you are determined to use Airmypc for legacy reasons (e.g., an old PC with limited resources), here is the only workflow that might yield success: The elephant in the room: The official website