libgnome-desktop-3-12 software package provides Utility library for loading .desktop files - runtime files, you can install in your Ubuntu 16.04 LTS (Xenial Xerus) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install libgnome-desktop-3-12
libgnome-desktop-3-12 is installed in your system.
Make ensure the libgnome-desktop-3-12 package were installed using the commands given below,
$ sudo dpkg-query -l | grep libgnome-desktop-3-12 *
You will get with libgnome-desktop-3-12 package name, version, architecture and description in a table
| Distro | Ubuntu 16 04 lts xenial xerus |
| Section | Libraries |
| Package | libgnome-desktop-3-12 |
| Version | 3.18.2-1ubuntu1 |
| Description | Utility library for loading .desktop files - runtime files |
| Sub Section | Libs |