OK so to all those who get the "Feral Heart has stopped working" messages over and over with no end even if you re-download, I think ive found the problem.
So when I re-downloaded the setup(after getting the message) and this happened...

Seems normal enough, so I click on "Run" and this happens...

So now I think i know why FH wont work for me and those of you who have the same problem. If you UN-install FH then delete EVERYTHING related to it, and try to re-install, i think you will get the same result.
So, how can we get an uncorrupted download?