I'm having same or similar issue. i9 14900 cpu and 4090 video card. Everything patched to very latest drivers and Windows (10) updates. Installed the game, ran it and then game installs about 130Gb of updates, at nearly the very end of this process, as the game is loading in it will crash to desktop with no error code shown. Itr does create a last crash log in the user\appdir location. I have uninstalled game,, cleared all remnants of MSFS files and folders, deleted all traces of game from registry and reinstalled and redownloaded and verified file integrity game multiple times and it continually crashes in exact same spot. I have a second gaming PC with similar, but older video card and processor that loads the game fine.
Nothing is overclocked, and I can install the game without issue, but everytime it tries to load it crashes at the bottom progress bar at about 80% of the way to complete load. No mods, Community folder empty, and I have also deleted all files from directories to force it to reinstall all updates and it will still crash as it tries to load at exact same spot.
I checked power profile and it is set to High, screen is not set to go to sleep. No extra USB devices plugged in. Both English US and UK voice languages installed.
Any ideas?