package gtkterm 0.99.7~rc1-0.2ubuntu1 failed to install/upgrade: unable to securely remove '/usr/bin/gtkterm.dpkg-tmp': Read-only file system

idk

ProblemType: Package
DistroRelease: Ubuntu 14.04
Package: gtkterm 0.99.7~rc1-0.2ubuntu1
ProcVersionSignature: Ubuntu 3.13.0-55.94-generic 3.13.11-ckt20
Uname: Linux 3.13.0-55-generic x86_64
ApportVersion: 2.14.1-0ubuntu3.11
AptOrdering: gtkterm: Remove
Architecture: amd64
Date: Sun Jun 28 13:54:38 2015
DpkgTerminalLog:
 Removing gtkterm (0.99.7~rc1-0.2ubuntu1) ...
 dpkg: error processing package gtkterm (--remove):
  unable to securely remove '/usr/bin/gtkterm.dpkg-tmp': Read-only file system
DuplicateSignature: package:gtkterm:0.99.7~rc1-0.2ubuntu1:unable to securely remove '/usr/bin/gtkterm.dpkg-tmp': Read-only file system
ErrorMessage: unable to securely remove '/usr/bin/gtkterm.dpkg-tmp': Read-only file system
InstallationDate: Installed on 2015-06-07 (21 days ago)
InstallationMedia: Ubuntu 14.04.1 LTS "Trusty Tahr" - Release amd64 (20140722.2)
SourcePackage: gtkterm
SystemImageInfo: Error: [Errno 2] No such file or directory: 'system-image-cli'
Title: package gtkterm 0.99.7~rc1-0.2ubuntu1 failed to install/upgrade: unable to securely remove '/usr/bin/gtkterm.dpkg-tmp': Read-only file system
UpgradeStatus: No upgrade log present (probably fresh install)