can anyone tell me why this file seem to change the manual entries changes i make to it and i have to ammend it every time i fly even though i save the changes to the following section[ND]ClipMap=1ArptRwyLimit=6000TCAS_NumMaxAcft=100TCAS_ShowOtherTFC=1TCAS_ShowRangeRings=1it reverts to range rings=0 automaticaly how can i stop this happeneing and make the changes permanentthanksKav

There's one way to make sure your file doesn't get over written, but it might crash FSX. Change its attributes to read only in properties.Jeff P.