install application breaks access to ynh admin page

[snapek]

I've installed openvpn_ynh on two different hosts and two different VM's now, both existing and fresh installs of YNH, with the same result.

Once openvpn_ynh is done installing, I'm no longer able to access the yunohost admin page. Doing so times out for a while, then a red bar comes up at the top that says "An instance is already running" and the main page still says "Loading...".

I'm not able to go to Applications or Users sub-pages directly either.

If I try to remove the app from command-line via 'yunohost app remove openvpn' it just sits there and stalls, no progress or results.