Hi there,
I found an issue in your latest alpha. Beside that everything works fine so far 
Version: 7.90.001 Alpha
Hardware: Raspberry Pi 2
I did a clean install. The setup asked me whether I wanted to setup a Samba server or not (also SSH server, of course). I tried to disable the Samba server right at the start, but each time after I tried to deselect it it reselects it. I then tried to deselect the option later in the LibreELEC setup addon. I couldn't disable the Samba server there as well.
It's not a bug, it's a feature 
The Samba shares are necessary for updating. So you can't disable them (and you shouldn't). But you should enable SSH for your RPi, too. As this might be very helpfull if you get some issues. It's the only way to get a command line.
So please enable both.
I can confirm the same on my Xtreamer box. This is a bug that needs to be fixed - thanks for flagging it.
I never once used the samba share for updating, so to say it's necessary is not correct Anyways, if there is an option to turn it off then it should be possible. If not, why include the option? That's misleading and should not be a "feature" in any way.
Then I have to apologize, if I was wrong. I always thought you should have at least one of both options enabled and if SSH is disabled you should at least have Samba enabled.
But ok...sorry for that
You could even disable both and still update your system manually (from USB, SD-card, network, etc.).
So we all agree that this is a bug? 
