package install-info 6.5.0.dfsg.1-2 failed to install/upgrade: installed install-info package post-installation script subprocess returned error exit status 1

I am unable to install any thing.

sudo apt-get install -f
Reading package lists... Done
Building dependency tree
Reading state information... Done
Correcting dependencies... Done
The following additional packages will be installed:
  libgtkglext1 libpango1.0-0 libpangox-1.0-0
The following NEW packages will be installed:
  libgtkglext1 libpango1.0-0 libpangox-1.0-0
0 upgraded, 3 newly installed, 0 to remove and 532 not upgraded.
2 not fully installed or removed.
Need to get 0 B/119 kB of archives.
After this operation, 615 kB of additional disk space will be used.
Do you want to continue? [Y/n] y
Setting up install-info (6.5.0.dfsg.1-2) ...
_XSERVTransSocketUNIXCreateListener: ...SocketCreateListener() failed
_XSERVTransMakeAllCOTSServerListeners: server already running
(EE)
Fatal server error:
(EE) Cannot establish any listening sockets - Make sure an X server isn't already running(EE)
(EE)
Please consult the The X.Org Foundation support
  at http://wiki.x.org
 for help.
(EE) Please also check the log file at "/var/log/Xorg.0.log" for additional information.
(EE)
(EE) Server terminated with error (1). Closing log file.
dpkg: error processing package install-info (--configure):
 installed install-info package post-installation script subprocess returned error exit status 1
Errors were encountered while processing:
 install-info
E: Sub-process /usr/bin/dpkg returned an error code (1)

ProblemType: Package
DistroRelease: Ubuntu 18.04
Package: install-info 6.5.0.dfsg.1-2
ProcVersionSignature: Ubuntu 4.15.0-46.49-generic 4.15.18
Uname: Linux 4.15.0-46-generic x86_64
NonfreeKernelModules: lkp_Ubuntu_4_15_0_46_49_generic_50 nvidia
ApportVersion: 2.20.9-0ubuntu7.2
AptOrdering:
 install-info:amd64: Configure
 libpangox-1.0-0:amd64: Install
 libpango1.0-0:amd64: Install
 libgtkglext1:amd64: Install
 NULL: ConfigurePending
Architecture: amd64
Date: Mon Jul 22 11:02:03 2019
ErrorMessage: installed install-info package post-installation script subprocess returned error exit status 1
InstallationDate: Installed on 2019-03-13 (130 days ago)
InstallationMedia: Ubuntu 18.04.1 LTS "Bionic Beaver" - Release amd64 (20180725)
Python3Details: /usr/bin/python3.6, Python 3.6.5, python3-minimal, 3.6.5-3ubuntu1
PythonDetails: N/A
RelatedPackageVersions:
 dpkg 1.19.0.5ubuntu2
 apt 1.6.6ubuntu0.1
SourcePackage: texinfo
Title: package install-info 6.5.0.dfsg.1-2 failed to install/upgrade: installed install-info package post-installation script subprocess returned error exit status 1
UpgradeStatus: No upgrade log present (probably fresh install)