To fix Out of range problem with your monitor:
press win+r, type AppData, follow to path Local\Falcon\Saved \Config\WindowsNoEditor, open with text editor file and you see section [/script/engine.gameusersettings]
Just add this strokes at the up after section:
bUseVSync=True
FrameRateLimit=60.000000
FullscreenMode=0
LastConfirmedFullscreenMode=0
PreferredFullscreenMode=0
bUseDynamicResolution=False
ResolutionSizeX=xxxx
ResolutionSizeY=xxxx
LastUserConfirmedResolutionSizeX=xxxx
LastUserConfirmedResolutionSizeY=xxxx

There XXXX your resolution