nautilus-data software package provides data files for nautilus, 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 nautilus-data
nautilus-data is installed in your system.
Make ensure the nautilus-data package were installed using the commands given below,
$ sudo dpkg-query -l | grep nautilus-data *
You will get with nautilus-data package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | GNOME |
| Package | nautilus-data |
| Version | 1:3.10.1-0ubuntu8 |
| Description | data files for nautilus |
| Sub Section | GNOME |