[coatesy75]

just go to your conf inl. and . copy first make a copy of your conf ini .and save it .
set your with & height
[window]
width=1920
height=1080


i run on this
ps set your (SaveAspect=0)



[window]
width=1920
height=1080
ColourBits=32
DepthBits=24
StencilBits=8
ChangeScreenRes=1
FullScreen=1
DrawIfNotFocused=0
EnableResize=0
EnableClose=1
SaveAspect=0
Use3Renders=0