I have the same issue, after I got to the second character I clicked on the monitor to see what's going on, while checking 7th scene - the one on the coach - the eyes of the succubus eye appeared and of course I clicked on them - which "teleported" me to a different scene fully explorable (old files? or character 3? I haven't played the game before so I don't have clue)
Tried to save the game by clicking Save, nope ...
Restarted the game followed the first person - the basement was already clean ...
Second person - soft lock the aunt is already in the kitchen
Deleting the game and extract fixed the preserved basement issue and save/load is fixed as well
Succubus eyes kept popping up at 2nd character 7th scene - clicking on them leads to that mysterious which breaks the game.
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