In notepad open file named UserCfg.opt
Disable sharpen and filmgrain in postprocess
{PostProcess
Enabled 1
EyeAdaptation 1
ColorGrading 1
Sharpen 0
Fringe 1
LensDistortion 1
Dirt 1
LensFlare 1
FilmGrain 0
Vignette 1
LensBlurMultiplier 1.000000
FringeMultiplier 1.000000
}
save changes and run sim