Why Inspector and Main camera are such different? No shadows as well :(

Hello! I'm using post-processing stack, and noticed big difference between inspector view and game window. Here is the example with "Bloom" parameter:

Anydoby knows why this happening? And one more, I don't have shadows, but I switched them in project settings, on light source and ground plane ( receive shadows ) . I thinkg it's error, cuz my processing bar ( in right bottom corner ) is looks like stucked:

I'm using Unity 2018.1.3f1 ( can't update , because need this version )