Every scene, every material, everything always has these weird light rays on it UNLESS I SET ROUGHNESS TO 2.0 - vertical dark lines in 4k render How can i stop this??? what causes this?

its roughness, you can ONLY fix this with setting the roughness higher. also you can add these post process settings before if it doesnt work you need to set roughness to 1-2 theres not other way i haev found