Dit is de uitvoer van deleting and reinstalleren update manager. Misschien kan je er iets in ontdekken dat niet goed is. MVG Miel
ivo@ivos-desktop:~$ sudo apt autopurge update-manager
[sudo] password for ivo:
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following packages will be REMOVED:
ubuntu-release-upgrader-gtk* update-manager*
0 upgraded, 0 newly installed, 2 to remove and 0 not upgraded.
After this operation, 1.280 kB disk space will be freed.
Do you want to continue? [Y/n] y
(Reading database ... 267123 files and directories currently installed.)
Removing update-manager (1:20.04.10.9) ...
Removing ubuntu-release-upgrader-gtk (1:20.04.36) ...
Processing triggers for desktop-file-utils (0.24-1ubuntu3) ...
Processing triggers for mime-support (3.64ubuntu1) ...
Processing triggers for gnome-menus (3.36.0-1ubuntu1) ...
Processing triggers for libglib2.0-0:amd64 (2.64.6-1~ubuntu20.04.4) ...
Processing triggers for libglib2.0-0:i386 (2.64.6-1~ubuntu20.04.4) ...
Processing triggers for gconf2 (3.2.6-6ubuntu1) ...
Processing triggers for man-db (2.9.1-1) ...
Processing triggers for bamfdaemon (0.5.3+18.04.20180207.2-0ubuntu2) ...
Rebuilding /usr/share/applications/bamf-2.index...
ivo@ivos-desktop:~$
vo@ivos-desktop:~$ sudo apt install update-manager
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following additional packages will be installed:
ubuntu-release-upgrader-gtk
The following NEW packages will be installed:
ubuntu-release-upgrader-gtk update-manager
0 upgraded, 2 newly installed, 0 to remove and 0 not upgraded.
Need to get 561 kB of archives.
After this operation, 1.280 kB of additional disk space will be used.
Do you want to continue? [Y/n] y
Get:1
http://us.archive.ubuntu.com/ubuntu focal-updates/main amd64 update-manager all 1:20.04.10.9 [551 kB]
Get:2
http://us.archive.ubuntu.com/ubuntu focal-updates/main amd64 ubuntu-release-upgrader-gtk all 1:20.04.36 [9.360 B]
Fetched 561 kB in 1s (422 kB/s)
Selecting previously unselected package update-manager.
(Reading database ... 267068 files and directories currently installed.)
Preparing to unpack .../update-manager_1%3a20.04.10.9_all.deb ...
Unpacking update-manager (1:20.04.10.9) ...
Selecting previously unselected package ubuntu-release-upgrader-gtk.
Preparing to unpack .../ubuntu-release-upgrader-gtk_1%3a20.04.36_all.deb ...
Unpacking ubuntu-release-upgrader-gtk (1:20.04.36) ...
Setting up ubuntu-release-upgrader-gtk (1:20.04.36) ...
Setting up update-manager (1:20.04.10.9) ...
Processing triggers for gconf2 (3.2.6-6ubuntu1) ...
Processing triggers for man-db (2.9.1-1) ...
Processing triggers for bamfdaemon (0.5.3+18.04.20180207.2-0ubuntu2) ...
Rebuilding /usr/share/applications/bamf-2.index...
Processing triggers for desktop-file-utils (0.24-1ubuntu3) ...
Processing triggers for mime-support (3.64ubuntu1) ...
Processing triggers for gnome-menus (3.36.0-1ubuntu1) ...
Processing triggers for libglib2.0-0:amd64 (2.64.6-1~ubuntu20.04.4) ...
Processing triggers for libglib2.0-0:i386 (2.64.6-1~ubuntu20.04.4) ...
ivo@ivos-desktop:~$