Composition result not matching final render?

[EDIT: It was the glare node that was the problem, needed to switch back on make threshold and mix 0 and set size to 9 or 10]

I’m on the final stretch of a project and confused as to why the render result does not match the composition preview after rendering? If anyone knows how I can blow up the bloom like in the first image please let me know what I am missing. "I have the glare disabled as it doesn’t change the look with or without.

Compositing Preview

is this supposed to be greyed out?

image

[EDIT] Sorry, didn’t read…

In the render panel, do you have composite selected?

Also looks like the background is missing.

i’ll check the composite select in render panel and it’s just a cropping of the screenshots

Yes both compositing and sequencing are selected? I think thats what you mean? Post Processing?