Composition is still transparent even though I choose black?

[HotDiggityDog]

I am quite new to After Effects and I have looked at many tutorials but for some reason my composition colour will not change, it just stays transparent.

As you can see my background colour is set as black. However, once I hit "ok", this happens..

I don't know if this is a bug or a glitch but no matter how many times I try it doesn't work. I even try changing the background colour to red, blue, etc.. and it still comes out like this?

[Mohammad.Harb · Accepted solution]

The button "toggle transparency Grid" is Turned On.

You need to Turn it off.

the button is Located under the composition window next to "Active Camera"  it Looks like a checkerboard .

[HotDiggityDog]

OMG well that was easy XD

Thank you so much!