package nautilus-dropbox 0.7.1-2 failed to install/upgrade: subprocess installed post-installation script was killed by signal (Terminated)

1) Ubuntu 12.04.5 LTS
Release: 12.04
2) N: Unable to locate package pkgname
3) I tried to install Dropbox
4) Installation failed. It stuck on 99%

ProblemType: Package
DistroRelease: Ubuntu 12.04
Package: nautilus-dropbox 0.7.1-2
ProcVersionSignature: Ubuntu 3.13.0-35.62~precise1-generic 3.13.11.6
Uname: Linux 3.13.0-35-generic i686
ApportVersion: 2.0.1-0ubuntu17.7
Architecture: i386
Date: Fri Sep 12 17:58:23 2014
DuplicateSignature: package:nautilus-dropbox:0.7.1-2:subprocess installed post-installation script was killed by signal (Terminated)
ErrorMessage: subprocess installed post-installation script was killed by signal (Terminated)
InstallationMedia: Ubuntu 12.04.4 LTS "Precise Pangolin" - Release i386 (20140204)
MarkForUpload: True
SourcePackage: nautilus-dropbox
Title: package nautilus-dropbox 0.7.1-2 failed to install/upgrade: subprocess installed post-installation script was killed by signal (Terminated)
UpgradeStatus: No upgrade log present (probably fresh install)