VFR map showing spurious white line returning to start airport


it does not matter what air craft i use. also i have uninstalled fs 2020 and installed it several times. ihave disks that i have installed and still does the same thing. i have installed on a new hard-drive and still the same thing, i have no add-ons at this time installed. Right now i am installed through Steam.

This is my depature and destination airports.

then i do my IFR low-altiude airways.

then my ils runway

this is what shows up in world map. everything looks fine until i hit FLY and once i’m in my cockpit and click on thee top menu and click on VFR map, and this is what i get


my plane is on autopilot fly’s by my destination airport and gos back to my departure airport
Thank you for your help

CAN ANY ONE PLEASE HELP ME…