Forgive the length of this post. As I’ve said in another thread, I wanted to be scientific and isolate the cause of the (worsening) problem.
After a total crash of my 2012 PC last summer, requiring a new hard drive, etc., I had the local Big Box PC Store (MicroCenter in Rockville, MD) custom-build a PC that “would run anything FSX and add-ons could possibly throw at it.” (My specs are below my signature.)
After a reinstall of FSX, Acceleration, and some basic Orbx scene