yes me too, after bought FSDT honolulu, hawaii vol.1 and vol.2, install into FSX, baaaaam, after so many years having a stable FSX with over 700GB addon, suddenly my FSX won't start anymore. and turn out, it affecting my GSX, flightbeam denver and qw 757 too. so now i have to uninstall all of this scenery, and FSX went to normal again without any CTD whatsoever.. after doing a clean uninstall of all FSDT and add on manager, i just tried to install GSX and it worked. and when i try to reinstall honolulu again, FSX won't start again.. any help from FSDT??