AptUncle,
I am really sorry you are still having problems. What level of home computer skill do you have?
The steps you need to take in order to try and fix your issue with the simulator, are not too complicated.
Perhaps you could ask a friend to help you? Spend your time reading posts in this forum, and see how others have tackled similar issues. Move forward in small steps and try some of the suggestions to fix your issue, one bite at a time.
Above all, report your problem to Zen Desk.
https://flightsimulator.zendesk.com/hc/en-us
Please let us know how you get on.
Best of luck.
Charles.