FSX Start Up not resolved.

On start up, loading FSX my PC loads the default flight. Before it would load to the Home Page. Once loaded I then need to exist flight. It will then revert to Home Page. Can anyone help.
Also
1 SCENERY.CFG file error.Invalid remote scenery path in scenery Area.002
2 SCENERY.CFG file error. Local scenery directory (C:\Program Files\Microsoft\Games\Microsoft Flight
x\Addon Scenery\SVMG-Margarita-FSX\SCENERY) in scenery AreA.138 not found.
3 SCENERY.CFG file error. Local scenery directory (C:\Program Files\Microsoft\Games\Microsoft Flight
x\Addon Scenery\File Tamper-Tamper\Scenery) in scenery AreA.139 not found.
4 SCENERY.CFG file error. Local scenery directory (Addon Scenery\FSX_CYQH_Watson_Lake_V200\SCENERY)
in scenery Area.140 not found.
5 There are multiple objects with the same title name. They must have unique title names.
tb200_Xv5 Simobjects\Airplanes\Tb200dex_4
Hope you can advise.
Thanks again