gnome-settings-daemon-schemas software package provides gnome-settings-daemon schemas, you can install in your Ubuntu 14.04 LTS (Trusty Tahr) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install gnome-settings-daemon-schemas
gnome-settings-daemon-schemas is installed in your system.
Make ensure the gnome-settings-daemon-schemas package were installed using the commands given below,
$ sudo dpkg-query -l | grep gnome-settings-daemon-schemas *
You will get with gnome-settings-daemon-schemas package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | GNOME |
| Package | gnome-settings-daemon-schemas |
| Version | 3.8.6.1-0ubuntu11 |
| Description | gnome-settings-daemon schemas |
| Sub Section | GNOME |