Changing shaders to anything but high causes massive problems

[Thesus]

So that I get you: The game works fine in High, but the frame rate is bad?

Have you tried turning off features such has post effects and shadows and see how that affects things?

Have you made sure to follow the steps written here:
http://frictionalgames.com/forum/showthr...p?tid=2941
?

I've turned off everything before, turned my res down to 1028x768, and followed your instructions exactly for the patch. And if I run it in very low it works, but everything is brightly lit, so areas with no light are as if there were invisble floodlights everywhere. My performance still is the worst possible, it's so bad I can't even hit a dog with the hammer. :question:

Do you need any other info?