Darling, you say that these are 'hazardous happenings' but then you go onto say that you heard a scream and that the door was doing something. Just the 'event' of overt paranormal activity is not threatening...nor does it signal a threat. Please, please, please save your fear until something...
The furniture often 'dictates' what you can and cannot do (if you already have something and can't replace it), but it is possible to work around that by sort of 'down playing' the furniture style. The paint would then be at the top of my list because the color of your walls has such a visceral...
You can purchase good quality solutions that remove varnish (not paint) and they work very well. Minwax is a brand that is quite good because they also sell stains and such....they know wood. :)