i have a FIX for crashes when closing FSX..this is what works for me...when done with a flight, exit and go to where u started in the "fly now" menu...next using task manager or manually close everything linked to FSX; fsinn, FSFDT,ect...last but not least using task manager click on fsx and end task....I NEVER HAVE A CRASH DOIN IT THAT WAY....other ways i try and i get the CTD...im new here so srry 4 not puttn a signature or anything else i for got......quick specs.. LAPTOP GATEWAY P7805U FX SERIES4gb upgraded to 8gbvista 64 ewww, upgraded to windows 7 64 yeahintel duo core 2.26nvida geforce 9800m gts 1gb PMDG 737NGXREX 2.0FSceneX FSXSAITEK MULTI, SWITCH AND RADIO PANELSPRO FLIGHT YOKE AND 2 THROTTLE QUADRANTS WITH CUSTOM LEVERSCH PEDDALSEXTRA KEYBOARD OVERHEAD WITH CUSTOM KEYSLAPTOP MONITER SCREEN SIZE 17.3INCHEXTRA MONITER 47INCH