If your .exe doesn't open, ensure it is designed to handle the %1 argument, which represents the full URL clicked. If you'd like to move forward, tell me: What specific program are you trying to launch?
Replace my-app with your desired prefix and the path with your actual .exe location. Security Warning: Avoid Suspicious Downloads custom url protocol.exe download
Ensure your Registry path uses double backslashes (e.g., C:\\Folder\\App.exe ). If your