heh, univbe don't play a role on Constructor hang (it is not a hang :)), i don't know why it had helped me first (it was on a pc with win XP2 and all media integrated into mb, p4-2,6). But on another comp with non-integrated video Constructor normally played with new univbe until building of cement …

!!!!! cure for Constructor on Dosbox :wink: It is not a bug of DOSbox. You only need to dowload univbe for modern Video cards, for exapmple from here: http://www.old-games.ru/utils/modified_univbe.zip. i've used ver53.a as from readme I've tryed to run Constructor before - it hangs on place of house …