Hi,
I ran it and received the following. I restarted my computer, but the problem is still there.
mihalache@endless:~$ kill gnome-software
bash: kill: gnome-software: arguments must be process or job IDs
mihalache@endless:~$ flatpak update --appstream && flatpak update -y
Updating appstream data for remote eos-apps
Error updating: Error updating appstream2: Commit 45e0e5e6fafc78bc55d04783ef60d554404dfa24eca1d3ec72c4c25255ea71c4: GPG signatures found, but none are in trusted keyring; Error updating appstream: Commit a17c5033c699264073e7ba2e39252e695134aace519678b5c837d0c589f497d7: GPG signatures found, but none are in trusted keyring
Updating appstream data for remote eos-runtimes
Error updating: Error updating appstream2: Unable to load summary from remote eos-runtimes: GPG signatures found, but none are in trusted keyring; Error updating appstream: Unable to load summary from remote eos-runtimes: GPG signatures found, but none are in trusted keyring
Updating appstream data for remote eos-sdk
Error updating: Error updating appstream2: Commit 2b844a25ed30c77011feb301e72557593e61724aeb26ee9e909f5b6ad45d4976: GPG signatures found, but none are in trusted keyring; Error updating appstream: Commit 9c0fc64a3ea36832f71dd87da84f306e1ccf569a20dd94402d367849681589af: GPG signatures found, but none are in trusted keyring
Updating appstream data for remote flathub
Looking for updates…
F: Error updating remote metadata for ‘eos-sdk’: Commit 3953218642a289c940664de6273b1634bbddd9973981ae94111134afc3428d2f: GPG signatures found, but none are in trusted keyring
F: Error updating remote metadata for ‘eos-apps’: Commit 384702f502b44fad5609eacb8e5777f4df66e4b788973cbda9684bdc666262ad: GPG signatures found, but none are in trusted keyring
error: Failed to pull some refs from the remotes: (com.endlessm.Apps, runtime/com.endlessm.geography.id.Content/x86_64/eos3), (com.endlessm.Apps, app/com.endlessm.celebrities.id/x86_64/eos3), (com.endlessm.Sdk, runtime/com.endlessm.apps.Platform/x86_64/5), (com.endlessm.Apps, runtime/com.endlessm.encyclopedia.en.Content/x86_64/eos3), (com.endlessm.Apps, app/com.endlessm.soccer.id/x86_64/eos3), (com.endlessm.Apps, runtime/com.endlessm.word_of_the_day.en.Content/x86_64/eos3), (com.endlessm.Apps, app/com.endlessm.biology.id/x86_64/eos3), (com.endlessm.Apps, runtime/com.endlessm.animals.en.Content/x86_64/eos3), (com.endlessm.Apps, app/com.endlessm.astronomy.id/x86_64/eos3), (com.endlessm.Apps, runtime/com.endlessm.quote_of_the_day.en.Content/x86_64/eos3), (com.endlessm.Apps, app/com.endlessm.quote_of_the_day.en/x86_64/eos3), (com.endlessm.Sdk, runtime/org.freedesktop.Platform.Icontheme.EndlessOS/x86_64/1.0), (com.endlessm.Apps, app/com.endlessm.encyclopedia.en/x86_64/eos3), (com.endlessm.Apps, app/com.endlessm.socialsciences.id/x86_64/eos3), (com.endlessm.Apps, runtime/com.endlessm.encyclopedia.id.Content/x86_64/eos3), (com.endlessm.Apps, app/com.endlessm.travel.en/x86_64/eos3), (com.endlessm.Apps, app/com.endlessm.word_of_the_day.en/x86_64/eos3), (com.endlessm.Apps, app/com.endlessm.math.en/x86_64/eos3), (com.endlessm.Apps, runtime/com.endlessm.socialsciences.id.Content/x86_64/eos3), (com.endlessm.Apps, app/com.endlessm.animals.en/x86_64/eos3), (com.endlessm.Sdk, runtime/com.endlessm.apps.Platform.Locale/x86_64/5), (com.endlessm.Apps, app/com.endlessm.wiki_art.en/x86_64/eos3), (com.endlessm.Apps, app/com.endlessm.geography.id/x86_64/eos3), (com.endlessm.Sdk, app/com.endlessm.EknServicesMultiplexer/x86_64/stable), (com.endlessm.Apps, app/com.endlessm.physics.id/x86_64/eos3)
mihalache@endless:~$ kill gnome-software flatpak update --appstream && flatpak update -y sudo ostree admin upgrade eos-updater-ctl update --force
bash: kill: gnome-software: arguments must be process or job IDs
bash: kill: flatpak: arguments must be process or job IDs
bash: kill: update: arguments must be process or job IDs
bash: kill: --appstream: arguments must be process or job IDs
mihalache@endless:~$