I confirm this bug on Jammy. The error message in the notification box is Unable to install updates Prepared update not found: "/var/lib/PackageKit/prepared-update"
and stderr says Snapd snapd_client_refresh_sync: assertion 'name != NULL' failed Gs snap did not set error for gs_plugin_update Gs not GsPlugin error pk-engine-error-quark:1: Prepared update not found: /var/lib/PackageKit/prepared-update -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to gnome-software in Ubuntu. https://bugs.launchpad.net/bugs/1900167 Title: gnome-software Unable to install updates Status in gnome-software package in Ubuntu: Expired Bug description: Click on 'Updates' and then on 'Restart & Update' I have a message: Unable to install updates: GDBus.error... Prepared update not found:/var/lib/PackageKit/prepared-update corrado@corrado-x2-gg-1009:~$ apt policy gnome-software gnome-software: Installed: 3.38.0-2build1 Candidate: 3.38.0-2build1 Version table: *** 3.38.0-2build1 500 500 http://archive.ubuntu.com/ubuntu groovy/universe amd64 Packages 100 /var/lib/dpkg/status corrado@corrado-x2-gg-1009:~$ inxi -Fx System: Host: corrado-x2-gg-1009 Kernel: 5.8.0-23-generic x86_64 bits: 64 compiler: gcc v: 10.2.0 Desktop: N/A Distro: Ubuntu 20.10 (Groovy Gorilla) Machine: Type: Desktop Mobo: ASRock model: H110M-G/M.2 serial: <superuser/root required> UEFI: American Megatrends v: P1.10 date: 05/11/2017 CPU: Info: Dual Core model: Intel Core i3-7100 bits: 64 type: MT MCP arch: Kaby Lake rev: 9 L2 cache: 3072 KiB flags: avx avx2 lm nx pae sse sse2 sse3 sse4_1 sse4_2 ssse3 vmx bogomips: 31199 Speed: 800 MHz min/max: 800/3900 MHz Core speeds (MHz): 1: 800 2: 800 3: 800 4: 800 Graphics: Device-1: Intel HD Graphics 630 vendor: ASRock driver: i915 v: kernel bus ID: 00:02.0 Display: x11 server: X.Org 1.20.8 driver: modesetting unloaded: fbdev,vesa resolution: 1920x1080~60Hz OpenGL: renderer: Mesa Intel HD Graphics 630 (KBL GT2) v: 4.6 Mesa 20.2.0 direct render: Yes Audio: Device-1: Intel 100 Series/C230 Series Family HD Audio vendor: ASRock driver: snd_hda_intel v: kernel bus ID: 00:1f.3 Device-2: Logitech QuickCam Pro 9000 type: USB driver: snd-usb-audio,uvcvideo bus ID: 1-8:4 Sound Server: ALSA v: k5.8.0-23-generic Network: Device-1: Intel Ethernet I219-V vendor: ASRock driver: e1000e v: 3.2.6-k port: f040 bus ID: 00:1f.6 IF: enp0s31f6 state: up speed: 100 Mbps duplex: full mac: 70:85:c2:44:7b:86 Drives: Local Storage: total: 2.05 TiB used: 9.42 GiB (0.4%) ID-1: /dev/nvme0n1 vendor: Kingston model: SKC2000M8250G size: 232.89 GiB ID-2: /dev/sda vendor: Toshiba model: DT01ACA100 size: 931.51 GiB ID-3: /dev/sdb vendor: Hitachi model: HDS721010CLA332 size: 931.51 GiB Partition: ID-1: / size: 31.25 GiB used: 9.41 GiB (30.1%) fs: ext4 dev: /dev/nvme0n1p2 Swap: ID-1: swap-1 type: partition size: 8.00 GiB used: 0 KiB (0.0%) dev: /dev/sda2 Sensors: System Temperatures: cpu: 43.5 C mobo: N/A Fan Speeds (RPM): N/A Info: Processes: 224 Uptime: 3h 13m Memory: 7.48 GiB used: 1.66 GiB (22.2%) Init: systemd runlevel: 5 Compilers: gcc: N/A Packages: 1874 Shell: Bash v: 5.0.17 inxi: 3.1.07 corrado@corrado-x2-gg-1009:~$ ProblemType: Bug DistroRelease: Ubuntu 20.10 Package: gnome-software 3.38.0-2build1 ProcVersionSignature: Ubuntu 5.8.0-23.24-generic 5.8.14 Uname: Linux 5.8.0-23-generic x86_64 ApportVersion: 2.20.11-0ubuntu50 Architecture: amd64 CasperMD5CheckResult: skip CurrentDesktop: ubuntu:GNOME Date: Fri Oct 16 18:20:00 2020 InstallationDate: Installed on 2020-10-10 (6 days ago) InstallationMedia: Ubuntu 20.10 "Groovy Gorilla" - Beta amd64 (20201009.1) InstalledPlugins: gnome-software-plugin-flatpak N/A gnome-software-plugin-snap 3.38.0-2build1 SourcePackage: gnome-software UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-software/+bug/1900167/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp