Jaxcore features install issue

[trappuden]

I've been trying to install the features in jaxcore, but have been unable to, at first I couldn't download it directly from inside the main app (or manager) cause it just keeps loading.

So I just went through Deviant and downloaded it.
After I run the file, it shows installing.

Then after it "installs", this pops up

And just to clear any doubts, I already have Jaxcore installed as you saw in the first picture.

And then the Windows Powershell opens up

Which proceeds to close on it's own after 30 seconds of nothing happening.

And so I can't install it, I would appreciate some quick help.