[Bug 2109883] [NEW] "Install now" button disappears and doesn't come back

[Vedran Rafaelic]

Public bug reported:

1. Uncheck all packages. "Install now" button disappears (as expected).

NOTE: I have only packages in the group "System Components" so I untick
the entire group.

2. After ticking back some of the packages, the "Install now" button
does not reappear.


(Additionaly one of the packages that I unticked cannot be ticked again: "Signed kernel image generic")

ProblemType: Bug
DistroRelease: Ubuntu 24.04
Package: update-manager 1:24.04.9
ProcVersionSignature: Ubuntu 6.11.0-25.25~24.04.1-generic 6.11.11
Uname: Linux 6.11.0-25-generic x86_64
NonfreeKernelModules: nvidia_modeset nvidia
ApportVersion: 2.28.1-0ubuntu3.5
Architecture: amd64
CasperMD5CheckResult: unknown
CurrentDesktop: ubuntu:GNOME
Date: Sat May  3 10:07:35 2025
InstallationDate: Installed on 2019-11-16 (1994 days ago)
InstallationMedia: Ubuntu 19.10 "Eoan Ermine" - Release amd64 (20191017)
PackageArchitecture: all
SourcePackage: update-manager
UpgradeStatus: Upgraded to noble on 2025-02-01 (91 days ago)

** Affects: update-manager (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug noble

** Attachment added: "Screenshot from 2025-05-03 09-39-32.png"
   https://bugs.launchpad.net/bugs/2109883/+attachment/5875547/+files/Screenshot%20from%202025-05-03%2009-39-32.png

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https://bugs.launchpad.net/bugs/2109883

Title:
  "Install now" button disappears and doesn't come back

Status in update-manager package in Ubuntu:
  New

Bug description:
  1. Uncheck all packages. "Install now" button disappears (as
  expected).

  NOTE: I have only packages in the group "System Components" so I
  untick the entire group.

  2. After ticking back some of the packages, the "Install now" button
  does not reappear.

  
  (Additionaly one of the packages that I unticked cannot be ticked again: "Signed kernel image generic")

  ProblemType: Bug
  DistroRelease: Ubuntu 24.04
  Package: update-manager 1:24.04.9
  ProcVersionSignature: Ubuntu 6.11.0-25.25~24.04.1-generic 6.11.11
  Uname: Linux 6.11.0-25-generic x86_64
  NonfreeKernelModules: nvidia_modeset nvidia
  ApportVersion: 2.28.1-0ubuntu3.5
  Architecture: amd64
  CasperMD5CheckResult: unknown
  CurrentDesktop: ubuntu:GNOME
  Date: Sat May  3 10:07:35 2025
  InstallationDate: Installed on 2019-11-16 (1994 days ago)
  InstallationMedia: Ubuntu 19.10 "Eoan Ermine" - Release amd64 (20191017)
  PackageArchitecture: all
  SourcePackage: update-manager
  UpgradeStatus: Upgraded to noble on 2025-02-01 (91 days ago)

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