Minecraft shader broken?

I always gambled with shader but jez are just the shader settings disappeared although I have not changed anything. I also play only on the 1.8.9 so it can indeed not be s.Anufs updates oa, or at least?

Reinstall shader

But minecraft had actually synonymous NEN own shader but I can't even make on or off and the eig is always there but I'll try it thanks