OK.

In the Application Output window appear:

"Starting E:\Dati_Lavoro\Programmi\PC_C\QTProjects\RF_Scanne r-1_000\release\RF_Scanner-1_000.exe...

E:\Dati_Lavoro\Programmi\PC_C\QTProjects\RF_Scanne r-1_000\release\RF_Scanner-1_000.exe exited with code -1073741511"