If your key is accepted but the software won't find your Apple TV or Chromecast, try these quick fixes: Restart Bonjour:
You need to purchase a license for each computer ... - AirMyPC airmypc registration key fix
If you’ve reinstalled Windows or changed hardware, the key may show as “already used.” Contact AirMyPC support or use their license reset tool (available on their website under “Manage Licenses”). If your key is accepted but the software