Starting today (Sept.20) FS9 has been crashing to desktop after trying to initiate flights from Canadian airports other than Vancouver and during hours other than night time. Other locations and seasons other than Fall appear to be fine. My guess is that this has something to do with conflicting, corrupted or missing files related to fall scenery.I have replaced Scenery/World/Textures and Scenery, done a system restore, disabled or removed all recent scenery additions, disabled other scenery ad-ons in Canada, checked for any missing fall textures without any success solving the problem.Any ideas out there before I do a complete re-install?

You might want to get involved in the Ultimate Terrain threads over at http://www.simforums.com/forums/forum_topics.asp?FID=19&PN=1 . They are dealing with Canadian CTDs as well.Do you get the CTD in a clean configuration? If so, then that would help triangulate the character of the problem. Your input and experimentation might be helpful all around. This seems a puzzle worth solving soon. Last year's CTDs proved a challenge...Best,Mike