Maybe i can help...i had the same problem with Resident Evil and Evil within..my fav preset wouldnt work with those games at all..
What i found out was some older presets loaded up no problems.
SO try using a preset for an older 1.4 version..it should load even with 1.5.1 sweetfx.
I tried Alan Wakes K-Put preset just for a test and it worked sadly its tooo dark for horror games so give it a go!!!