Scene showing nothing in my windows build (im only making windows build because I need a window app)

[delicate pawn]

I am using a raw image and I have applied a render texture on that raw image, it works fine in unity but when I make a build and run the application it shows blank screen and nothing works.

Render Texture

video player

canvas

raw image

when i play the scene this happens

and this is what is happening in my app