What I do to reinstall nautilus

daniel@daniel-pc:~$ apt-cache show nautilus
Package: nautilus
Status: install ok installed
Priority: optional
Section: gnome
Installed-Size: 4070
Maintainer: Ubuntu Desktop Team <ubuntu-desktop@lists.ubuntu.com>
Architecture: amd64
Version: 1:3.12.2-0ubuntu1~trusty3
Replaces: nautilus-data (<< 1:3.2.1-2ubuntu1), nautilus-sendto
Depends: libatk1.0-0 (>= 1.32.0), libc6 (>= 2.14), libcairo-gobject2 (>= 1.10.0), libcairo2 (>= 1.10.0), libdbusmenu-glib4 (>= 0.4.2), libexempi3 (>= 2.2.0), libexif12 (>= 0.6.21-1~), libgail-3-0 (>= 3.0.0), libgdk-pixbuf2.0-0 (>= 2.25.2), libglib2.0-0 (>= 2.37.3), libgnome-desktop-3-10 (>= 3.2.0), libgtk-3-0 (>= 3.11.6), libnautilus-extension1a (>= 1:2.91), libnotify4 (>= 0.7.0), libpango-1.0-0 (>= 1.20.0), libpangocairo-1.0-0 (>= 1.14.0), libtracker-sparql-1.0-0 (>= 0.10.0), libunity9 (>= 3.8.4), libx11-6, libxml2 (>= 2.7.4), libzeitgeist-1.0-1 (>= 0.3.14), session-migration, nautilus-data (>= 1:3.12), nautilus-data (<< 1:3.13), shared-mime-info (>= 0.50), desktop-file-utils (>= 0.7), gvfs (>= 1.3.2), libglib2.0-data, gsettings-desktop-schemas
Recommends: eject, brasero (>= 2.26), tracker, librsvg2-common, gvfs-backends
Suggests: eog, evince | pdf-viewer, totem | mp3-decoder, xdg-user-dirs, gnome-sushi
Breaks: gnome-bluetooth (<< 3.0), gnome-session (<< 2.28), gnome-volume-manager (<< 2.24), nautilus-sendto-empathy (<< 3.0), rhythmbox (<< 0.12)
Conffiles:
 /etc/xdg/autostart/nautilus-autostart.desktop 132571316e477d7e4a822a6eb985102a
Description-en: file manager and graphical shell for GNOME
 Nautilus is the official file manager for the GNOME desktop. It allows
 to browse directories, preview files and launch applications associated
 with them. It is also responsible for handling the icons on the GNOME
 desktop. It works on local and remote filesystems.
 .
 Several icon themes and components for viewing different kinds of files
 are available in separate packages.
Description-md5: 007268d365c98355ef914766c16ee43f
Homepage: http://www.gnome.org/projects/nautilus/
Original-Maintainer: Josselin Mouette <joss@debian.org>

Package: nautilus
Priority: optional
Section: gnome
Installed-Size: 1668
Maintainer: Ubuntu Desktop Team <ubuntu-desktop@lists.ubuntu.com>
Original-Maintainer: Josselin Mouette <joss@debian.org>
Architecture: amd64
Version: 1:3.10.1-0ubuntu15
Replaces: nautilus-data (<< 1:3.2.1-2ubuntu1), nautilus-sendto
Depends: libatk1.0-0 (>= 1.32.0), libc6 (>= 2.14), libcairo-gobject2 (>= 1.10.0), libcairo2 (>= 1.10.0), libdbusmenu-glib4 (>= 0.4.2), libexempi3 (>= 2.2.0), libexif12 (>= 0.6.21-1~), libgail-3-0 (>= 3.0.0), libgdk-pixbuf2.0-0 (>= 2.22.0), libglib2.0-0 (>= 2.37.3), libgnome-desktop-3-10 (>= 3.2.0), libgtk-3-0 (>= 3.9.12), libnautilus-extension1a (>= 1:2.91), libnotify4 (>= 0.7.0), libpango-1.0-0 (>= 1.20.0), libpangocairo-1.0-0 (>= 1.14.0), libunity9 (>= 3.8.4), libx11-6, libxml2 (>= 2.7.4), libzeitgeist-1.0-1 (>= 0.3.14), session-migration, nautilus-data (>= 1:3.10), nautilus-data (<< 1:3.11), shared-mime-info (>= 0.50), desktop-file-utils (>= 0.7), gvfs (>= 1.3.2), libglib2.0-data, gsettings-desktop-schemas
Recommends: eject, brasero (>= 2.26), librsvg2-common, gvfs-backends
Suggests: eog, evince | pdf-viewer, totem | mp3-decoder, xdg-user-dirs, gnome-sushi
Breaks: gnome-bluetooth (<< 3.0), gnome-session (<< 2.28), gnome-volume-manager (<< 2.24), nautilus-sendto-empathy (<< 3.0), rhythmbox (<< 0.12)
Filename: pool/main/n/nautilus/nautilus_3.10.1-0ubuntu15_amd64.deb
Size: 490430
MD5sum: c1f8957a39ac1da2d6693d0d30a2a02d
SHA1: 1f22de362641d2ecb21436d2ce2110692727d2c1
SHA256: 662096f075cbd4d5867ba203e193162db80c41e4f57b97981a09d55cc4d9c9c9
Description-en: file manager and graphical shell for GNOME
 Nautilus is the official file manager for the GNOME desktop. It allows
 to browse directories, preview files and launch applications associated
 with them. It is also responsible for handling the icons on the GNOME
 desktop. It works on local and remote filesystems.
 .
 Several icon themes and components for viewing different kinds of files
 are available in separate packages.
Description-md5: 007268d365c98355ef914766c16ee43f
Homepage: http://www.gnome.org/projects/nautilus/
Bugs: https://bugs.launchpad.net/ubuntu/+filebug
Origin: Ubuntu
Supported: 9m
Task: ubuntu-desktop, ubuntu-usb, edubuntu-desktop, edubuntu-usb, ubuntu-gnome-desktop, ubuntukylin-desktop

daniel@daniel-pc:~$ apt-cache policy nautilus
nautilus:
  Installed: 1:3.12.2-0ubuntu1~trusty3
  Candidate: 1:3.12.2-0ubuntu1~trusty3
  Version table:
 *** 1:3.12.2-0ubuntu1~trusty3 0
        100 /var/lib/dpkg/status
     1:3.10.1-0ubuntu15 0
        500 http://us.archive.ubuntu.com/ubuntu/ utopic/main amd64 Packages
daniel@daniel-pc:~$ sudo apt-get purge nautilus nautilus-data
[sudo] password for daniel:
Reading package lists... Done
Building dependency tree
Reading state information... Done
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help to resolve the situation:

The following packages have unmet dependencies:
 gnome-control-center : Depends: gnome-settings-daemon (>= 3.7.91) but it is not going to be installed
E: Error, pkgProblemResolver::Resolve generated breaks, this may be caused by held packages.
daniel@daniel-pc:~$