hi Urs,
thanks for the quick reply and help.
the computer is a dell inspiron 9200 10 years old with xp for the DU
the other computer(DP) is with win 7 64 bit 1 year old, self assembly !
it could be the trouble you right!
Just to say; with a small plane like "carenado" no disconnect..
i was thinking that was the speed and complexity of the aircraft that make the disconnection,but i am perhaps wrong..
for the ai thanks for the answer
thanks again and nice flights !
Pierre