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While upgrading through "Software Updater", it faced with an error:

Could not install the package:
/tmp/apt-dpkg-install-JCuWPV/07-apparmor_2.13.3-7ubuntu5.2_amd64.deb package may not be in working state 
Please consider supporting a bug report.
new apparmor package pre-installation script subprocess returened error exit status 1

And it continued. The process ended with could not install upgrade.

The upgrade has aborted. Your system could be in an unstable state. A recovery will run now (dpkg--configure-a)

After which it showed

The upgrade is completed but there were errors during the upgrade process.

The system did not go through cleaning up and restarting process and everything aborted.

What to do now? Should I remove Apparmor package or what reinstall it or what?

Error404
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Spectra
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    An aborted release-upgrade is very bad. That "could be in an unstable state" warning is not kidding. Advice: Backup your data and reinstall a newer release of Ubuntu. – user535733 Oct 13 '23 at 13:10
  • Well, how? I had a reinstall of 16.04 , upgraded it to 18.04 and then finally to 20.04.. Now 20.04 aborted this way. How to reinstall a newer release? I don't have another machine or device to help me. Jjust had a bootable 16.04 dvd – Spectra Oct 13 '23 at 13:14
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    FYKI: It is possible to create a bootable USB for Ubuntu 20.04 (and probably newer releases as well; I haven't tested the newer releases myself) from your smartphone (preferably android) using the Etchdroid Application (3rd party but tested) – Error404 Oct 13 '23 at 13:16
  • Another option is to ask a friend to make the LiveUSB on their machine. – user535733 Oct 13 '23 at 13:17
  • @user535733 If I start again from 16.04 and try to upgrade, most probably I will face same issues again? – Spectra Oct 13 '23 at 13:21
  • @Error404 okay I'll try it. – Spectra Oct 13 '23 at 13:25
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    Note Ubuntu 18.04 has reached the end of its life and is not supported anymore. It's repositories may have been archived (I have not checked). There is a question (and answers) about how to upgrade from an older version of Ubuntu in this site. – user68186 Oct 13 '23 at 13:40
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    @user68186 yeah..just saw them :( – Spectra Oct 13 '23 at 14:31
  • @Error404 Anyone any idea about the least size of pendrive that I should use to create a bootable USB? 4GB or 8GB? – Spectra Oct 13 '23 at 15:36
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    @Spectra 8GB would be better. Although 4 GB should also work (depends on a variety of factors though, I recommend installing Xubuntu or Lubuntu (which are official Ubuntu flavours) if you dont have much space on the USB) I personally used a 64 GB flash drive. – Error404 Oct 13 '23 at 15:44
  • @Error404 okay.. another question, you can format it and use it to make it bootable for other future versions, right? I think it should be, but still I want to make sure to avoid any blunders. – Spectra Oct 13 '23 at 16:12
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    @Spectra yes, you can. The USB would be reusable once formatted. – Error404 Oct 14 '23 at 01:40

1 Answers1

-1

Same problem here. I did:

apt --fix-broken install
apt autoremove
apt update && apt upgrade

And again:

apt --fix-broken install 
apt upgrade

Then it worked.

BeastOfCaerbannog
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Thorsten Göllner
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