Hi Lawrence,


> I found there was already a .deb file. So I thought, fine, I don’t need this “googleearth-package”, I can just download that and install it.


Did you use gdebi to install it?


$ apt-cache search gdebi
gdebi-core - simple tool to install deb files
gdebi - simple tool to view and install deb files - GNOME GUI
gdebi-kde - simple tool to install deb files - KDE GUI



GDEBI(1)                    General Commands Manual                   GDEBI(1)

NAME
       gdebi - Simple tool to install deb files

SYNOPSIS
       gdebi [package.deb]...

DESCRIPTION
       gdebi  lets you install local deb packages resolving and installing its
       dependencies. apt does the  same,  but  only  for  remote  (http,  ftp)
       located  packages.  It can also resolve build-depends of debian/control
       files.


https://launchpad.net/gdebi

https://packages.debian.org/sid/gdebi


cheers,

Ian.