I meant that after i loaded the flight in order to continue flying,the FMC worked fine but i had to start feeding it with information once again like in the begining of the flight.After loading the flight, the plane DOES not save any data in the FMC or the MCP or any button config i made in the aircraft.Thats realy sucks because the ability to save a flight(and all the route data,nav data,etc...) is very essential especially if im flying long-range flights...Buy the way i tried it with the DELTA, AA, EL-AL, CONTINENTAL liveries-they all have the same problem.Someome who knows why,please help.thanks.