package virtualbox-ext-pack 5.0.18-1 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1 but installed this packages manually from official sites,now need to install virtualbox guest additions iso-5.0.18 from terminal but in this case also showing error that mismatch like:Hash mismatch Oracle_VM_VirtualBox_Extension_Pack-5.0.18.vbox-extpack dpkg: error processing package virtualbox-ext-pack (--configure): subprocess installed post-installation script returned error exit status 1 E: Sub-process /usr/bin/dpkg returned an error code (1)

[ROHIT KUMAR]

sudo apt-get install virtualbox-guest-additions-iso
[sudo] password for rohit:
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following package was automatically installed and is no longer required:
  snapd-login-service
Use 'sudo apt autoremove' to remove it.
The following NEW packages will be installed:
  virtualbox-guest-additions-iso
0 upgraded, 1 newly installed, 0 to remove and 0 not upgraded.
1 not fully installed or removed.
Need to get 38.7 MB of archives.
After this operation, 58.2 MB of additional disk space will be used.
Get:1 http://in.archive.ubuntu.com/ubuntu xenial/multiverse i386 virtualbox-guest-additions-iso all 5.0.18-1 [38.7 MB]
Fetched 38.7 MB in 46s (838 kB/s)
Selecting previously unselected package virtualbox-guest-additions-iso.
(Reading database ... 216416 files and directories currently installed.)
Preparing to unpack .../virtualbox-guest-additions-iso_5.0.18-1_all.deb ...
Unpacking virtualbox-guest-additions-iso (5.0.18-1) ...
Setting up virtualbox-ext-pack (5.0.18-1) ...
virtualbox-ext-pack: downloading: http://download.virtualbox.org/virtualbox/5.0.18/Oracle_VM_VirtualBox_Extension_Pack-5.0.18.vbox-extpack
The file will be downloaded into /usr/share/virtualbox-ext-pack
Hash mismatch Oracle_VM_VirtualBox_Extension_Pack-5.0.18.vbox-extpack
dpkg: error processing package virtualbox-ext-pack (--configure):
 subprocess installed post-installation script returned error exit status 1
Setting up virtualbox-guest-additions-iso (5.0.18-1) ...
Errors were encountered while processing:
 virtualbox-ext-pack
E: Sub-process /usr/bin/dpkg returned an error code (1)

ProblemType: Package
DistroRelease: Ubuntu 16.04
Package: virtualbox-ext-pack 5.0.18-1
ProcVersionSignature: Ubuntu 4.15.0-142.146~16.04.1-generic 4.15.18
Uname: Linux 4.15.0-142-generic i686
ApportVersion: 2.20.1-0ubuntu2.30
AptOrdering:
 virtualbox-ext-pack: Install
 virtualbox-ext-pack: Configure
 NULL: ConfigurePending
Architecture: i386
Date: Fri May 10 22:55:50 2024
ErrorMessage: subprocess installed post-installation script returned error exit status 1
InstallationDate: Installed on 2023-11-12 (180 days ago)
InstallationMedia: Ubuntu 16.04.6 LTS "Xenial Xerus" - Release i386 (20190227.1)
PackageArchitecture: all
RelatedPackageVersions:
 dpkg 1.18.4ubuntu1.7
 apt 1.2.35
SourcePackage: virtualbox-ext-pack
Title: package virtualbox-ext-pack 5.0.18-1 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1
UpgradeStatus: No upgrade log present (probably fresh install)