package systemd 229-4ubuntu8 failed to install/upgrade: subprocess installed post-installation script returned error exit status 2

[chinna chowdary]

system takes so much time to open or start.
some times the functions may not works.
i need a good suggestion to update every bug to install.

ProblemType: Package
DistroRelease: Ubuntu 16.04
Package: systemd 229-4ubuntu8
ProcVersionSignature: Ubuntu 3.13.0-24.47-generic 3.13.9
Uname: Linux 3.13.0-24-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.1
Architecture: amd64
Date: Fri Sep 9 06:29:53 2016
ErrorMessage: subprocess installed post-installation script returned error exit status 2
InstallationDate: Installed on 2016-06-14 (87 days ago)
InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417)
MachineType: Hewlett-Packard HP Pavilion g6 Notebook PC
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-24-generic.efi.signed root=UUID=b1e069a1-afaa-4750-9235-52d02208f604 ro quiet splash init=/lib/systemd/systemd
RelatedPackageVersions:
 dpkg 1.18.4ubuntu1.1
 apt 1.2.14
SourcePackage: systemd
SystemdDelta:
 [EXTENDED] /lib/systemd/system/rc-local.service → /lib/systemd/system/rc-local.service.d/debian.conf
 [EXTENDED] /etc/systemd/system/display-manager.service → /lib/systemd/system/display-manager.service.d/xdiagnose.conf
 [EXTENDED] /lib/systemd/system/systemd-timesyncd.service → /lib/systemd/system/systemd-timesyncd.service.d/disable-with-time-daemon.conf

 3 overridden configuration files found.
Title: package systemd 229-4ubuntu8 failed to install/upgrade: subprocess installed post-installation script returned error exit status 2
UpgradeStatus: Upgraded to xenial on 2016-09-09 (1 days ago)
dmi.bios.date: 01/17/2013
dmi.bios.vendor: Insyde
dmi.bios.version: F.24
dmi.board.asset.tag: Type2 - Board Asset Tag
dmi.board.name: 183F
dmi.board.vendor: Hewlett-Packard
dmi.board.version: 56.32
dmi.chassis.type: 10
dmi.chassis.vendor: Hewlett-Packard
dmi.chassis.version: Chassis Version
dmi.modalias: dmi:bvnInsyde:bvrF.24:bd01/17/2013:svnHewlett-Packard:pnHPPaviliong6NotebookPC:pvr088B120000305910000610100:rvnHewlett-Packard:rn183F:rvr56.32:cvnHewlett-Packard:ct10:cvrChassisVersion:
dmi.product.name: HP Pavilion g6 Notebook PC
dmi.product.version: 088B120000305910000610100
dmi.sys.vendor: Hewlett-Packard