SUMMARY Running "pkcon update" on a standard installation of KDE Neon 18.04 today, produced the following error: Fatal error: Error while installing package: installed appimagelauncher package post-installation script subprocess returned error exit status 127 root@laptop:~# cat /etc/lsb-release DISTRIB_ID=neon DISTRIB_RELEASE=18.04 DISTRIB_CODENAME=bionic DISTRIB_DESCRIPTION="KDE neon User Edition 5.16" root@laptop:~# root@laptop:~# pkcon refresh Refreshing cache [=========================] Loading cache [=========================] Refreshing software list [=========================] Downloading packages [=========================] Running [=========================] Finished [=========================] Enabled http://gr.archive.ubuntu.com/ubuntu bionic InRelease Enabled http://ppa.launchpad.net/phoerious/keepassxc/ubuntu bionic InRelease root@laptop:~# pkcon update Getting updates [=========================] Finished [=========================] Loading cache [=========================] Testing changes [=========================] Finished [ ] (0%) The following packages have to be installed: appimagelauncher-1.2.2+dfsg-1+18.04+bionic+build1.amd64 AppImage helper binfmt-support-2.1.8-2.amd64 Support for extra binary formats The following packages have to be updated: bluedevil-4:5.16.5-0xneon+18.04+bionic+build36.amd64 KDE Bluetooth stack breeze-4:5.16.5-0xneon+18.04+bionic+build44.amd64 Default Plasma theme (meta-package). breeze-cursor-theme-4:5.16.5-0xneon+18.04+bionic+build44.all Default Plasma cursor theme. breeze-gtk-theme-5.16.5-0xneon+18.04+bionic+build37.amd64 GTK theme built to match KDE's Breeze curl-7.58.0-2ubuntu3.8.amd64 command line tool for transferring data with URL syntax drkonqi-5.16.5-0xneon+18.04+bionic+build36.amd64 Crash handler for Qt applications grub-theme-breeze-5.16.5-0xneon+18.04+bionic+build37.amd64 Breeze theme for Grub 2 kactivitymanagerd-5.16.5-0xneon+18.04+bionic+build37.amd64 System service to manage user's activities kde-cli-tools-4:5.16.5-0xneon+18.04+bionic+build38.amd64 tools to use KDE services from the command line kde-cli-tools-data-4:5.16.5-0xneon+18.04+bionic+build38.all tools to use kioslaves from the command line kde-config-gtk-style-4:5.16.5-0xneon+18.04+bionic+build35.amd64 KDE configuration module for GTK+ 2.x and GTK+ 3.x styles selection kde-config-gtk-style-preview-4:5.16.5-0xneon+18.04+bionic+build35.amd64 KDE configuration module for GTK+ 2.x and GTK+ 3.x styles selection (extras) kde-config-plymouth-5.16.5-0xneon+18.04+bionic+build36.amd64 KCM for Plymouth kde-config-screenlocker-5.16.5-0xneon+18.04+bionic+build36.amd64 KCM Module for kscreenlocker kde-style-breeze-4:5.16.5-0xneon+18.04+bionic+build44.amd64 Widget style for Qt and KDE Software kde-style-breeze-qt4-4:5.16.5-0xneon+18.04+bionic+build44.amd64 Widget style for Qt 4 and KDE Software kde-style-oxygen-qt5-4:5.16.5-0xneon+18.04+bionic+build38.amd64 Qt decoration for the Oxygen desktop theme kdeplasma-addons-data-4:5.16.5-0xneon+18.04+bionic+build36.all locale files for kdeplasma-addons kgamma5-4:5.16.5-0xneon+18.04+bionic+build37.amd64 monitor calibration panel for KDE khotkeys-4:5.16.5-0xneon+18.04+bionic+build36.amd64 configure input actions settings khotkeys-data-4:5.16.5-0xneon+18.04+bionic+build36.all configure input actions settings kinfocenter-4:5.16.5-0xneon+18.04+bionic+build36.amd64 system information viewer kmenuedit-4:5.16.5-0xneon+18.04+bionic+build36.amd64 XDG menu editor kscreen-4:5.16.5-0xneon+18.04+bionic+build38.amd64 KDE monitor hotplug and screen handling ksshaskpass-4:5.16.5-0xneon+18.04+bionic+build36.amd64 interactively prompt users for a passphrase for ssh-add ksysguard-4:5.16.5-0xneon+18.04+bionic+build35.amd64 process monitor and system statistics ksysguard-data-4:5.16.5-0xneon+18.04+bionic+build35.all library for monitoring your system - shared library ksysguardd-4:5.16.5-0xneon+18.04+bionic+build35.amd64 System Guard Daemon kwayland-integration-4:5.16.5-0xneon+18.04+bionic+build36.amd64 kwayland runtime integration plugins kwin-addons-4:5.16.5-0xneon+18.04+bionic+build36.amd64 additional desktop and window switchers for KWin kwin-common-4:5.16.5-0xneon+18.04+bionic+build48.amd64 KDE window manager, common files kwin-data-4:5.16.5-0xneon+18.04+bionic+build48.all KDE window manager data files kwin-style-breeze-4:5.16.5-0xneon+18.04+bionic+build44.amd64 KWin Breeze Style kwin-wayland-4:5.16.5-0xneon+18.04+bionic+build48.amd64 KDE window manager, wayland version, PREVIEW release kwin-wayland-backend-drm-4:5.16.5-0xneon+18.04+bionic+build48.amd64 KDE window manager drm plugin kwin-x11-4:5.16.5-0xneon+18.04+bionic+build48.amd64 KDE window manager, X11 version kwrited-4:5.16.5-0xneon+18.04+bionic+build36.amd64 Read and write console output to X. libcolorcorrect5-4:5.16.5-0xneon+18.04+bionic+build42.amd64 Plasma Workspace for KF5 library libcurl3-gnutls-7.58.0-2ubuntu3.8.amd64 easy-to-use client-side URL transfer library (GnuTLS flavour) libcurl4-7.58.0-2ubuntu3.8.amd64 easy-to-use client-side URL transfer library (OpenSSL flavour) libkdecorations2-5v5-4:5.16.5-0xneon+18.04+bionic+build37.amd64 library to create window decorations libkdecorations2private6-4:5.16.5-0xneon+18.04+bionic+build37.amd64 library to create window decorations - private library libkf5screen-bin-4:5.16.5-0xneon+18.04+bionic+build39.amd64 library for screen management - helpers libkf5screen7-4:5.16.5-0xneon+18.04+bionic+build39.amd64 library for screen management - shared library libkf5sysguard-bin-4:5.16.5-0xneon+18.04+bionic+build41.amd64 library for monitoring your system - shared library libkf5sysguard-data-4:5.16.5-0xneon+18.04+bionic+build41.all library for monitoring your system - shared library libkfontinst5-4:5.16.5-0xneon+18.04+bionic+build57.amd64 Tools and widgets for the desktop library libkfontinstui5-4:5.16.5-0xneon+18.04+bionic+build57.amd64 Tools and widgets for the desktop library libkscreenlocker5-5.16.5-0xneon+18.04+bionic+build36.amd64 Secure lock screen architecture libksgrd7-4:5.16.5-0xneon+18.04+bionic+build41.amd64 library for monitoring your system - shared library libksignalplotter7-4:5.16.5-0xneon+18.04+bionic+build41.amd64 library for monitoring your system - shared library libkwin4-effect-builtins1-4:5.16.5-0xneon+18.04+bionic+build48.amd64 KDE window manager effect builtins library libkwineffects12-4:5.16.5-0xneon+18.04+bionic+build48.amd64 KDE window manager effects library libkwinglutils12-4:5.16.5-0xneon+18.04+bionic+build48.amd64 KDE window manager gl utils library libkwinxrenderutils12-4:5.16.5-0xneon+18.04+bionic+build48.amd64 KDE window manager render utils library libkworkspace5-5-4:5.16.5-0xneon+18.04+bionic+build42.amd64 Plasma Workspace for KF5 library libnotificationmanager1-4:5.16.5-0xneon+18.04+bionic+build42.amd64 Plasma Workspace for KF5 library liboxygenstyle5-5-4:5.16.5-0xneon+18.04+bionic+build38.amd64 style library for the Oxygen desktop theme liboxygenstyleconfig5-5-4:5.16.5-0xneon+18.04+bionic+build38.amd64 style library configuration for the Oxygen desktop theme libpam-kwallet-common-4:5.16.5-0xneon+18.04+bionic+build37.all KWallet integration with PAM (common files) libpam-kwallet5-4:5.16.5-0xneon+18.04+bionic+build37.amd64 KWallet (Kf5) integration with PAM libplasma-geolocation-interface5-4:5.16.5-0xneon+18.04+bionic+build42.amd64 Plasma Workspace for KF5 library libpowerdevilcore2-4:5.16.5-0xneon+18.04+bionic+build37.amd64 Global power saver settings ui library. libpowerdevilui5-4:5.16.5-0xneon+18.04+bionic+build37.amd64 Global power saver settings ui library. libprocesscore7-4:5.16.5-0xneon+18.04+bionic+build41.amd64 library for monitoring your system - shared library libprocessui7-4:5.16.5-0xneon+18.04+bionic+build41.amd64 library for monitoring your system - shared library libtaskmanager6-4:5.16.5-0xneon+18.04+bionic+build42.amd64 Plasma Workspace for KF5 library libweather-ion7-4:5.16.5-0xneon+18.04+bionic+build42.amd64 Plasma Workspace for KF5 library milou-4:5.16.5-0xneon+18.04+bionic+build38.amd64 Dedicated search plasmoid. neon-desktop-4+p18.04+git20190910.2233.amd64 KDE neon Plasma Desktop system oxygen-sounds-4:5.16.5-0xneon+18.04+bionic+build38.all Sounds for the Oxygen desktop theme plasma-calendar-addons-4:5.16.5-0xneon+18.04+bionic+build36.amd64 additional calendar plugins for Plasma 5 plasma-dataengines-addons-4:5.16.5-0xneon+18.04+bionic+build36.amd64 additional data engines for Plasma plasma-desktop-4:5.16.5-0xneon+18.04+bionic+build57.amd64 Tools and widgets for the desktop plasma-desktop-data-4:5.16.5-0xneon+18.04+bionic+build57.all Tools and widgets for the desktop data files plasma-discover-5.16.5-0xneon+18.04+bionic+build54.amd64 Discover software management suite plasma-discover-backend-flatpak-5.16.5-0xneon+18.04+bionic+build54.amd64 Discover software management suite - Flatpak backend plasma-discover-backend-snap-5.16.5-0xneon+18.04+bionic+build54.amd64 Discover software management suite - Snap backend plasma-discover-common-5.16.5-0xneon+18.04+bionic+build54.all Discover software manager suite (common data files) plasma-integration-5.16.5-0xneon+18.04+bionic+build41.amd64 Qt Platform Theme integration plugins for KDE Plasma plasma-nm-4:5.16.5-0xneon+18.04+bionic+build38.amd64 Plasma5 networkmanager library. plasma-pa-4:5.16.5-0xneon+18.04+bionic+build37.amd64 Plasma 5 Volume controller plasma-runners-addons-4:5.16.5-0xneon+18.04+bionic+build36.amd64 additional runners for Plasma 5 and Krunner plasma-vault-5.16.5-0xneon+18.04+bionic+build35.amd64 Plasma applet and services for creating encrypted vaults plasma-wallpapers-addons-4:5.16.5-0xneon+18.04+bionic+build36.amd64 additional wallpaper plugins for Plasma 5 plasma-widgets-addons-4:5.16.5-0xneon+18.04+bionic+build36.amd64 additional widgets for Plasma 5 plasma-workspace-4:5.16.5-0xneon+18.04+bionic+build42.amd64 Plasma Workspace for KF5 plasma-workspace-wallpapers-4:5.16.5-0xneon+18.04+bionic+build36.all Wallpapers for Plasma 5 plasma-workspace-wayland-4:5.16.5-0xneon+18.04+bionic+build42.amd64 Plasma Workspace for KF5 - Wayland integration plymouth-theme-breeze-5.16.5-0xneon+18.04+bionic+build46.amd64 Breeze theme for Plymouth polkit-kde-agent-1-4:5.16.5-0xneon+18.04+bionic+build36.amd64 KDE dialogs for PolicyKit powerdevil-4:5.16.5-0xneon+18.04+bionic+build37.amd64 Global power saver settings. powerdevil-data-4:5.16.5-0xneon+18.04+bionic+build37.all Global power saver settings data files. qml-module-qtquick-controls-styles-breeze-4:5.16.5-0xneon+18.04+bionic+build44.amd64 QtQuick style for Qt and KDE Software sddm-theme-breeze-4:5.16.5-0xneon+18.04+bionic+build42.amd64 Breeze SDDM theme systemsettings-4:5.16.5-0xneon+18.04+bionic+build42.amd64 System Settings interface user-manager-4:5.16.5-0xneon+18.04+bionic+build37.amd64 user management tool for the Plasma workspace xdg-desktop-portal-kde-5.16.5-0xneon+18.04+bionic+build42.amd64 backend implementation for xdg-desktop-portal using Qt Proceed with changes? [N/y] y [=========================] Updating packages [=========================] Loading cache [=========================] Downloading packages [=========================] Running [=========================] Installing packages [=========================] Finished [=========================] Fatal error: Error while installing package: installed appimagelauncher package post-installation script subprocess returned error exit status 127 root@laptop:~# pkcon update Getting updates [=========================] Finished [=========================] No packages require updating to newer versions. root@laptop:~# dpkg -l|fgrep appimagelauncher iF appimagelauncher 1.2.2+dfsg-1+18.04+bionic+build1 amd64 AppImage helper root@laptop:~# date Τετ 11 Σεπ 2019 06:05:36 μμ EEST root@laptop:~# grep appimage /var/log/dpkg.log 2019-09-11 17:00:00 install appimagelauncher:amd64 <none> 1.2.2+dfsg-1+18.04+bionic+build1 2019-09-11 17:00:00 status half-installed appimagelauncher:amd64 1.2.2+dfsg-1+18.04+bionic+build1 2019-09-11 17:00:01 status unpacked appimagelauncher:amd64 1.2.2+dfsg-1+18.04+bionic+build1 2019-09-11 17:00:01 status unpacked appimagelauncher:amd64 1.2.2+dfsg-1+18.04+bionic+build1 2019-09-11 17:02:43 configure appimagelauncher:amd64 1.2.2+dfsg-1+18.04+bionic+build1 <none> 2019-09-11 17:02:43 status unpacked appimagelauncher:amd64 1.2.2+dfsg-1+18.04+bionic+build1 2019-09-11 17:02:44 status half-configured appimagelauncher:amd64 1.2.2+dfsg-1+18.04+bionic+build1 root@laptop:~#
I can confirm it. Error returned by Muon Package Manager: "appimagelauncher installed appimagelauncher package post-installation script subprocess returned error exit status 127" My system: Operating System: KDE neon Testing Edition KDE Plasma Version: 5.16.5 KDE Frameworks Version: 5.62.0 Qt Version: 5.12.3 Kernel Version: 5.0.0-27-generic OS Type: 64-bit Processors: 8 × Intel® Core™ i7-3770 CPU @ 3.40GHz Memory: 31,4 GiB
There was another update to the appimagelauncher package today, which also failed with "Fatal error: Error while installing package: there is no script in the new version of the package - giving up" root@laptop:~# pkcon refresh Refreshing cache [=========================] Loading cache [=========================] Refreshing software list [=========================] Downloading packages [=========================] Running [=========================] Finished [=========================] Enabled http://ppa.launchpad.net/phoerious/keepassxc/ubuntu bionic InRelease Enabled http://gr.archive.ubuntu.com/ubuntu bionic InRelease root@laptop:~# pkcon update Getting updates [=========================] Finished [=========================] Loading cache [=========================] Testing changes [=========================] Finished [ ] (0%) The following packages have to be updated: appimagelauncher-1.2.2+dfsg-1+18.04+bionic+build3.amd64 AppImage helper Proceed with changes? [N/y] y [=========================] Updating packages [=========================] Loading cache [=========================] Downloading packages [=========================] Running [=========================] Installing packages [=========================] Finished [=========================] Fatal error: Error while installing package: there is no script in the new version of the package - giving up root@laptop:~#
Problem remains: root@laptop:~# pkcon refresh Refreshing cache [=========================] Loading cache [=========================] Refreshing software list [=========================] Downloading packages [=========================] Running [=========================] Finished [=========================] Enabled http://ppa.launchpad.net/phoerious/keepassxc/ubuntu bionic InRelease Enabled http://gr.archive.ubuntu.com/ubuntu bionic InRelease root@laptop:~# pkcon update Getting updates [=========================] Finished [=========================] Loading cache [=========================] Testing changes [=========================] Finished [ ] (0%) The following packages have to be updated: appimagelauncher-1.2.2+dfsg-1+18.04+bionic+build3.amd64 AppImage helper apt-1.6.12.amd64 commandline package manager apt-utils-1.6.12.amd64 package management related utility programs libapt-inst2.0-1.6.12.amd64 deb package format runtime library libapt-pkg5.0-1.6.12.amd64 package management runtime library libexpat1-2.2.5-3ubuntu0.2.amd64 XML parsing C library - runtime library libsnmp-base-5.7.3+dfsg-1.8ubuntu3.3.all SNMP configuration script, MIBs and documentation libsnmp30-5.7.3+dfsg-1.8ubuntu3.3.amd64 SNMP (Simple Network Management Protocol) library Proceed with changes? [N/y] y [=========================] Updating packages [=========================] Loading cache [=========================] Downloading packages [=========================] Running [=========================] Installing packages [=========================] Finished [=========================] Fatal error: Error while installing package: there is no script in the new version of the package - giving up root@laptop:~# dpkg -l|fgrep appimagelauncher iFR appimagelauncher 1.2.2+dfsg-1+18.04+bionic+build1 amd64 AppImage helper root@laptop:~# date Παρ 13 Σεπ 2019 04:12:31 μμ EEST root@laptop:~# cat /etc/lsb-release DISTRIB_ID=neon DISTRIB_RELEASE=18.04 DISTRIB_CODENAME=bionic DISTRIB_DESCRIPTION="KDE neon User Edition 5.16" root@laptop:~# uname -a Linux laptop 4.15.0-60-generic #67-Ubuntu SMP Thu Aug 22 16:55:30 UTC 2019 x86_64 x86_64 x86_64 GNU/Linux root@laptop:~#
Same problem on Neon unstable edition.
*** Bug 411918 has been marked as a duplicate of this bug. ***
There seems to be a missing dependency with the package for appimagelauncher. Installing dpkg-dev seems to fix this.
Should be solved as per 1.2.2+dfsg-1+18.04+bionic+build4