Just curious...in your FSX.cfg, what does maximized= show?
[Main]
User Objects=Airplane, Helicopter
SimObjectPaths.0=SimObjects\Airplanes
SimObjectPaths.1=SimObjects\Rotorcraft
SimObjectPaths.2=SimObjects\GroundVehicles
SimObjectPaths.3=SimObjects\Boats
SimObjectPaths.4=SimObjects\Animals
SimObjectPaths.5=SimObjects\Misc
Maximized=1<----------------------------------------- if set to 0 change it to 1
Location=164,0,1196,740,\\.\DISPLAY1
HideMenuNormal=0
HideMenuFullscreen=1
ProcSpeed=3864
PerfBucket=5
FIBER_FRAME_TIME_FRACTION=0.40
This mine:
[Main]
User Objects=Airplane, Helicopter
SimObjectPaths.0=SimObjects\Airplanes
SimObjectPaths.1=SimObjects\Rotorcraft
SimObjectPaths.2=SimObjects\GroundVehicles
SimObjectPaths.3=SimObjects\Boats
SimObjectPaths.4=SimObjects\Animals
SimObjectPaths.5=SimObjects\Misc
SimObjectPaths.6=SimObjects\Amphibians
SimObjectPaths.7=SimObjects\Bush
SimObjectPaths.8=SimObjects\Civil Jets
SimObjectPaths.9=SimObjects\Experimental
SimObjectPaths.10=SimObjects\General Aviation
SimObjectPaths.11=SimObjects\Military
HideMenuNormal=0
HideMenuFullscreen=1
ProcSpeed=6419
PerfBucket=7
Maximized=2
Location=440,150,1480,929,\\.\DISPLAY1