I have installed as2004 on my pc ( athelon 2600/1gb mem/radeon9800xt/del1901fp screen/pfc throttle/aetiyoke/pfc rudder set)when I load as2004 with fs9 in non-full screen mode .progeam starts ok , downloads data and indicates ok but as soon as I try full screen all I get is rapid flickering og hourlass in a blank screen. without active sky there are no problems moving between full and standard screens. Also active sky also has started to crash and generate eror info which is sent to MS .Can anyone assist please ?