From within the config menu. Skins & Interface.
Clicking "Preview skin" brings up an empty directory.
Hardly earth shattering in the grand scheme of things. Just a point.
Incidentally, the skin manager within d7 (main tab) has gone / moved somewhere.
(This is where you call me a flipping idiot and point out an obviously visible control).
Sent from my iPhone using Tapatalk 2,..... Whilst proclaiming the machine fixed, grabbing the cash and running like hell.