this is because the community is not the manufactor and reading all posts in our personal free time is not allways possible… beside of these for 0€
have you already checked you windows virtual memory ( pagefile ) ?
See in FAQ
https://flightsimulator.zendesk.com/hc/en-us/articles/360015893879-Crashing-CTDs-issues
or better in
Thus: please check your pagefile setting and set at least a max value of 20GIG, better 30GIG and ensure enough free space on disc.
In case these will not help, please check your Anti-Virus-Tool and add the game into the Exclusion List.