It should just a problem with the dpkg script UI, manually upgrading msttcorefonts from the console using apt-get or aptitude works fine otherwise since the EULA dialog will instead be displayed in console/ncurses form.
It should just a problem with the dpkg script UI, manually upgrading msttcorefonts from the console using apt-get or aptitude works fine otherwise since the EULA dialog will instead be displayed in console/ncurses form.