Noted. Thank you for responding.

I have since updated to the latest version 20.04 LTS.

VJ

On Mon, Nov 22, 2021 at 7:15 PM Chris Guiver <email address hidden>
wrote:

> Thank you for reporting this bug to Ubuntu.
>
> Ubuntu 16.04 (xenial) reached end-of-life on April 29, 2021.
>
> See this document for currently supported Ubuntu releases:
> https://wiki.ubuntu.com/Releases
>
> We appreciate that this bug may be old and you might not be interested
> in discussing it any more. But if you are then please upgrade to the
> latest Ubuntu version and re-test. If you then find the bug is still
> present in the newer Ubuntu version, please add a comment here telling
> us which new version it is in.
>
> Your issue with upgrade maybe caused by installation of 3rd party
> packages (eg. you appear to have used https://launchpad.net/~ubuntu-
> toolchain-r/+archive/ubuntu/test?field.series_filter=xenial
> <https://launchpad.net/~ubuntu-toolchain-r/+archive/ubuntu/test?field.series_filter=xenial>
> but may have
> used other sources as I only looked at one problem package) where such
> 3rd party sourced packages should be removed; the upgrade performed,
> then packages re-added to your system if still required.
>
> ** Changed in: ubuntu-release-upgrader (Ubuntu)
>        Status: New => Incomplete
>
> --
> You received this bug notification because you are subscribed to the bug
> report.
> https://bugs.launchpad.net/bugs/1951758
>
> Title:
>   unable to upgrade ubuntu
>
> Status in ubuntu-release-upgrader package in Ubuntu:
>   Incomplete
>
> Bug description:
>   unable to upgrade ubuntu using distribution upgrade
>
>   ProblemType: Bug
>   DistroRelease: Ubuntu 16.04
>   Package: ubuntu-release-upgrader-core 1:16.04.32
>   ProcVersionSignature: Ubuntu 4.15.0-142.146~16.04.1-generic 4.15.18
>   Uname: Linux 4.15.0-142-generic x86_64
>   NonfreeKernelModules: wl nvidia_uvm nvidia_drm nvidia_modeset nvidia
>   ApportVersion: 2.20.1-0ubuntu2.30
>   Architecture: amd64
>   CrashDB: ubuntu
>   CurrentDesktop: Unity
>   Date: Mon Nov 22 09:50:51 2021
>   InstallationDate: Installed on 2018-01-22 (1399 days ago)
>   InstallationMedia: Ubuntu 16.04.3 LTS "Xenial Xerus" - Release amd64
> (20170801)
>   PackageArchitecture: all
>   SourcePackage: ubuntu-release-upgrader
>   UpgradeStatus: Upgraded to xenial on 2021-11-22 (0 days ago)
>   VarLogDistupgradeTermlog:
>
> To manage notifications about this bug go to:
>
> https://bugs.launchpad.net/ubuntu/+source/ubuntu-release-upgrader/+bug/1951758/+subscriptions
>
>

-- 


*PENAFIAN*: E-mel ini dan apa-apa fail yang dikepilkan bersamanya
("Mesej") adalah ditujukan hanya untuk kegunaan penerima(-penerima)
yang 
termaklum di atas dan mungkin mengandungi maklumat sulit. Anda dengan ini
dimaklumkan bahawa mengambil apa jua tindakan bersandarkan kepada, membuat
penilaian, mengulang hantar, menghebah, mengedar, mencetak, atau menyalin 
Mesej
ini atau sebahagian daripadanya oleh sesiapa selain daripada
penerima(-penerima) yang termaklum di atas adalah dilarang. Jika anda telah
menerima Mesej ini kerana kesilapan, anda mesti menghapuskan Mesej ini 
dengan
segera dan memaklumkan kepada penghantar Mesej ini menerusi balasan 
e-mel.
Pendapat, rumusan, dan sebarang maklumat lain di dalam Mesej
ini 
yang tidak berkait dengan urusan rasmi Universiti Kebangsaan Malaysia (UKM)
adalah difahami sebagai bukan dikeluar atau diperakui oleh mana-mana pihak 
yang
disebut.

_*DISCLAIMER *: This e-mail and any files transmitted with 
it ("Message") is intended only for the use of the recipient(s) named above 
and may contain confidential information. You are hereby notified that the 
taking of any action in reliance upon, or any review, retransmission, 
dissemination, distribution, printing or copying of this Message or any 
part thereof by anyone other than the intended recipient(s) is strictly 
prohibited. If you have received this Message in error, you should delete 
this Message immediately and advise the sender by return e-mail. Opinions, 
conclusions and other information in this Message that do not relate to the 
official business of The National University of Malaysia (UKM) shall be 
understood as neither given nor endorsed by any of the aforementioned._