Hi Federico IW1QN Federico a écrit : > I make a Simulation Before WAE RTTY Contest. > When the *QTC Window* is Open, if I press *ENTER*, WinTest *4.6.0* > CRASH........ QTC transmit (Ctrl-L) or QTC receive (Alt-L) ??? I just tried, and nothing wrong here. Please, elaborate to help reproducing the bug. 73 Larry - F6FVY