Good morning All,   I decided to fly from Tokyo Airport for a change but when Prepar3d Ver4 loaded up the screen had flashing all over the place and could not therefore fly. I changed my graphic drivers but no change. I then investigated further and disabled the ORBX Vector and no problems so therefore the cause looks like the Vector. All my placements in the scenery folder are where they should be. I even tried prepar3d Ver 4.1 this morning but still the same flickering but once Vecto