No. Never import unknown .reg files. They often delete legitimate activation entries, forcing you to reinstall Windows. Use only the official reset method (Fix #5).
Download the latest setup file directly from the official AirMyPC website.
Before attempting any fix, you must identify the root cause. There are six primary reasons a valid key fails:
Locate AirMyPC.exe in the list. Change its status to "Allow" or "Protect."
in the Application Protection settings. Firewalls or antivirus programs may block the one-time activation ping to the registration server. Reinstalling Bonjour
If you are looking for an official license, ensure you are buying from the legitimate AirMyPC website to avoid invalid keys.