package gconf2-common 3.2.6-3ubuntu7 failed to install/upgrade: subprocess installed post-installation script returned error exit status 128

[gavr]

every time when my system start i seen this bug report and proposal to send a report

ProblemType: Package
DistroRelease: Ubuntu 17.04
Package: gconf2-common 3.2.6-3ubuntu7
ProcVersionSignature: Ubuntu 4.10.0-32.36-generic 4.10.17
Uname: Linux 4.10.0-32-generic x86_64
NonfreeKernelModules: nvidia_uvm nvidia_drm nvidia_modeset nvidia
ApportVersion: 2.20.4-0ubuntu4.5
AptOrdering:
 gconf2-common:amd64: Install
 libgconf-2-4:amd64: Install
 gconf-service-backend:amd64: Install
 gconf-service:amd64: Install
 NULL: ConfigurePending
Architecture: amd64
Date: Sun Aug 20 04:38:13 2017
ErrorMessage: subprocess installed post-installation script returned error exit status 128
InstallationDate: Installed on 2017-08-19 (0 days ago)
InstallationMedia: Ubuntu-GNOME 17.04 "Zesty Zapus" - Release amd64 (20170412)
PackageArchitecture: all
RelatedPackageVersions:
 dpkg 1.18.10ubuntu2
 apt 1.4
SourcePackage: gconf
Title: package gconf2-common 3.2.6-3ubuntu7 failed to install/upgrade: subprocess installed post-installation script returned error exit status 128
UpgradeStatus: No upgrade log present (probably fresh install)

[Apport retracing service (apport)]

Thank you for taking the time to report this crash and helping to make this software better. This particular crash has already been reported and is a duplicate of bug #1688721, so is being marked as such. Please look at the other bug report to see if there is any missing information that you can provide, or to see if there is a workaround for the bug. Additionally, any further discussion regarding the bug should occur in the other report. Please continue to report any other bugs you may find.