[RTA_Stirwenn]

Try that in your conf.ini, adapt resolution to your widescreen, it works fine for me :

[window]
width=2048
height=1152
ColourBits=32
DepthBits=24
StencilBits=8
ChangeScreenRes=1
FullScreen=1
DrawIfNotFocused=0
EnableResize=0
EnableClose=1
SaveAspect=0
Use3Renders=0