package gconf2 3.2.6-3ubuntu6 failed to install/upgrade: el subproceso instalado el script post-installation devolvió el código de salida de error 2

i cant install software brackets because i can problem in gconf2

ProblemType: Package
DistroRelease: Ubuntu 16.04
Package: gconf2 3.2.6-3ubuntu6
ProcVersionSignature: Ubuntu 4.4.0-66.87-generic 4.4.44
Uname: Linux 4.4.0-66-generic x86_64
NonfreeKernelModules: wl
ApportVersion: 2.20.1-0ubuntu2.5
Architecture: amd64
Date: Sun Mar 12 00:05:26 2017
ErrorMessage: el subproceso instalado el script post-installation devolvió el código de salida de error 2
InstallationDate: Installed on 2016-05-06 (310 days ago)
InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Release amd64 (20160420.1)
RelatedPackageVersions:
 dpkg 1.18.4ubuntu1.1
 apt 1.2.19
SourcePackage: gconf
Title: package gconf2 3.2.6-3ubuntu6 failed to install/upgrade: el subproceso instalado el script post-installation devolvió el código de salida de error 2
UpgradeStatus: No upgrade log present (probably fresh install)