maybe try enabling HDR in your .ini file
CODE
[BlurShaderHDRInterior]
fTargetLUM=1.0000
fUpperLUMClamp=1.0000
fEmissiveHDRMult=1.0000
fEyeAdaptSpeed=0.5000
fBrightScale=1.5500
fBrightClamp=0.2250
fBlurRadius=6.0000
iNumBlurpasses=1
[BlurShaderHDR]
fTargetLUM=1.2000
fUpperLUMClamp=1.0000
fGrassDimmer=0.8000
fTreeDimmer=0.6000
fEmissiveHDRMult=1.0000
fEyeAdaptSpeed=0.7000
fSunlightDimmer=1.3000
fSIEmmisiveMult=1.0000
fSISpecularMult=1.0000
fSkyBrightness=0.4000
fSunBrightness=0.0000
fBrightScale=0.5000
fBrightClamp=0.3500
fBlurRadius=3.5000
iNumBlurpasses=2
iBlendType=2
bDoHighDynamicRange=1
if what you want is to not use hdr then don't apply these, but make sure you're editting the .ini file in Documents\My Games not the one in your install location. certain weather will toggle the shaders when enabled this way, though