In a message dated 30/09/2006 13:48:51 GMT Daylight Time, gwinsk@xxxxxxx writes: Now run Active ports on the two machines. Quite a few more on this than on the uncommunicative PC. No idea what it all signifies! If I posted the list for each, would one of the gurus be able to deduce anything? Gerry Winskill Gerry, Suggest you start FS9, stay on the ground, and log into Pilot's Club. Then bring up the Active Port screen, drag it out to get the full width, then just watch. On my machine I get activity - watch for the green and red bands - against the process FS9.EXE I think its the weather updates coming in, but I stand to be corrected Frank T.