How long has it been happening for? Did you just recently get the update or have you had it for a while?
If you got it recently, then have you reset your characters' homes and sent them there? The old maps don't exist anymore, they were removed and others were added in. Secondly, the black backgrounds issue sounds like you're missing the maps. Go to your FH folder, then to media, terrains, and then fhmaps to make sure you have all of the maps listed below (in no particular order):
fhBonfireIslands.fhm
fhCapeOfWorlds.fHm
fhCherikaValley.fhm
fhEasternPass.fhm
fhFichoTunnels.fhm
fhKiwimbiBeach.fhm
fhLonelyCave.fhm
fhpodium.fhm
fhSeasideGrove.fhm
fhTheGrounds.fhm
fhZamaGrotto.fhm
WaterMill.fhm
If you're missing any of these, let us know here so someone can give them to you.