Smoke Simulation Render Issues

Hi,

I have set up a simulation of a missile launch, but am having an issues when it comes to rendering it.

For some reason, my animation and models won’t render at all, whether I try to render a single image or the whole animation. It used to work fine, but now doesn’t work at all! I did look at another post that said to try turning composition off, but that did not work.

I’ve attached the blender file (updated) - I’d appreciate any help to figure this out!

Thanks

https://drive.google.com/file/d/0B50gK9AppkxINThDZnhGQ2w1SEk/view?usp=sharing

(I have edited it because I fixed the flames not rendering issue)