This error essentially means that the operating system (Windows) or the game client (Steam) has lost the "path" to the game's executable file (the .exe file that launches the program). The data might exist on your hard drive, but the computer no longer knows where to look to start the process.
: If your Documents folder is synced with OneDrive , it can block the game from reading essential files. Try unlinking OneDrive or moving the game folder to a non-synced local drive. I Am An Air Traffic Controller 4 Application Not Found
Do not immediately hit “Apply Again.” That can create duplicate records that require an HR specialist months to untangle. This error essentially means that the operating system
The "Application Not Found" error in I Am An Air Traffic Controller 4 Try unlinking OneDrive or moving the game folder
The game's installation path has changed, but the Windows Registry still points to the old location.