Check last 2 lines of Western's reply!
Disable those files.
Also your config.ini is configured for a very low quality and has some conflicting entries:
Try this for Open GL, if you run NVidia, replace the fat marked parts with a "1".
In any case you run on Direct X, which is nowadays very outdated for IL-2.
Backup. copy and paste and try..
"
[Render_OpenGL]
TexQual=3
TexMipFilter=3
TexCompress=0
TexFlags.UseDither=1
TexFlags.UseAlpha=0
TexFlags.UseIndex=0
TexFlags.PolygonStipple=1
TexFlags.UseClampedSprites=0
TexFlags.DrawLandByTriangles=0
TexFlags.UseVertexArrays=1
TexFlags.DisableAPIExtensions=0
TexFlags.ARBMultitextureExt=1
TexFlags.TexEnvCombineExt=1
TexFlags.SecondaryColorExt=1
TexFlags.VertexArrayExt=1
TexFlags.ClipHintExt=1
TexFlags.UsePaletteExt=0
TexFlags.TexAnisotropicExt=1
TexFlags.TexCompressARBExt=0
TexFlags.TexEnvCombine4NV=0TexFlags.TexEnvCombineDot3=1
TexFlags.DepthClampNV=0TexFlags.SeparateSpecular=1
TexFlags.TextureShaderNV=0HardwareShaders=1
Shadows=2
Specular=3
SpecularLight=2
DiffuseLight=2
DynamicalLights=0
MeshDetail=2
VisibilityDistance=3
Sky=2
Forest=3
LandShading=3
LandDetails=2
LandGeom=3
TexLarge=1
TexLandQual=3
TexLandLarge=1
VideoSetupId=17
Water=2
Effects=1
ForceShaders1x=0
PolygonOffsetFactor=-0.15
PolygonOffsetUnits=-3.0"
Maybe best also read here:
https://www.sas1946.com/main/index.php?topic=9756.0Good Luck
Cheers