No I have not yet started a tech support ticket. I assume you have? I was waiting to gather more info. I’m impressed with the troubleshooting you have done! You defiantly are more talented than I in the realm of Windows software. A few more details of what I did just for background cause nothing worked anyway. I was hoping (beyond) hope I would come across a fix that someone else had. The first time I turned my attention to the system32 files, I did a health scan and restore image scan via the CMD prompt of course. After the first time I did this the Sim worked! Ok I thought, its fixed. Only lasted maybe three flights. So I went deeper in looking for other things to try and I think I tried them all short of up grading my Bios. After I reinstalled DirectX and flew two custom flights, I knew I was getting lucky. Sure enough the sim started to hang again. Now I’m desperate. I hate having to reinstall the main game, I always try and hold off as long as I can before I do that, especially with all the add-ons I have. So I did re-install (Store version) but I will confess, I totally forgot about clearing the registry after uninstalling. I’m glad you mentioned that even though it’s too late I assume. Anyway as stated earlier the reinstall didn’t work, not one single custom flight but discovery flights work fine. Boy was that depressing. So I’m very intrigued by what you uncovered via visual studio. I hope you are on the right track and as soon as the right person see’s it, the cause and solution will be identified. I’ll start a tech support ticket soon I guess. Thanks for the extra chat. Let’s keep sharing if you think we and some other poor sod w same issue can benefit. 
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