Why does an error occur when installing Linux packages?

Question

linux

When installing packages with the sudo apt upgrade command, a gconf2 error occurs, and the installation is aborted due to numerous errors: some package is not configured, dependency problems, etc. How to fix?

dpkg: проблемы зависимостей не позволяют выполнить обработку триггеров gconf2:
 gconf2 зависит от default-dbus-session-bus | dbus-session-bus, однако:
  Пакет default-dbus-session-bus не установлен.
  Пакет dbus-user-session, предоставляющий default-dbus-session-bus, пока не настроен.
  Пакет dbus-session-bus не установлен.
  Пакет dbus-user-session, предоставляющий dbus-session-bus, пока не настроен.
  Пакет dbus-x11, предоставляющий dbus-session-bus, пока не настроен.

Answer 1

where is the text of the error? Copy whatever you get after sudo apt upgrade

Answer 2

Usually such a question is accompanied by a copy-paste of the console, so that you can see where and what the error is. There is no body - there is no business (that is, advice).