I always get this error when accessing Ubuntu Software and I'm always connected so it definitely looks like a bug. It's also new, it was working well on the same computer and I started to get that when I reinstalled Ubuntu on the same one.
-- 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/1782703 Title: Unable to download updates from "extensions.gnome.org" Status in gnome-software package in Ubuntu: Confirmed Bug description: Occasionally, upon launching Ubuntu Software (GNOME Software), a small error popup appears noting that it is unable to download updates from extensions.gnome.org. The full message is as follows: # Unable to download updates from "extensions.gnome.org":[*/*/*/source /shell-extensions/*] failed to download https://extensions.gnome.org//static/extensions.json: Connection terminated unexpectedly This doesn't cause a crash of any sort, and doesn't seem to hamper any of the normal abilities of Ubuntu Software on the surface, but may have some other effects I am unaware of. `lsb_release -rd` is as follows: # Description: Ubuntu 18.04 LTS # Release: 18.04 `apt-cache policy gnome-software` is as follows: # gnome-software: Installed: 3.28.1-0ubuntu4.18.04.1 Candidate: 3.28.1-0ubuntu4.18.04.1 Version table: *** 3.28.1-0ubuntu4.18.04.1 500 500 http://us.archive.ubuntu.com/ubuntu bionic-updates/main amd64 Packages 100 /var/lib/dpkg/status 3.28.1-0ubuntu4 500 500 http://us.archive.ubuntu.com/ubuntu bionic/main amd64 Packages Further system information is available here: https://paste.ubuntu.com/p/bbFnJNbRCy/ ProblemType: Bug DistroRelease: Ubuntu 18.04 Package: gnome-software 3.28.1-0ubuntu4.18.04.1 ProcVersionSignature: Ubuntu 4.15.0-23.25-generic 4.15.18 Uname: Linux 4.15.0-23-generic x86_64 ApportVersion: 2.20.9-0ubuntu7.2 Architecture: amd64 CurrentDesktop: ubuntu:GNOME Date: Thu Jul 19 23:07:23 2018 InstallationDate: Installed on 2018-07-20 (0 days ago) InstallationMedia: Ubuntu 18.04 LTS "Bionic Beaver" - Release amd64 (20180426) InstalledPlugins: gnome-software-plugin-flatpak N/A gnome-software-plugin-limba N/A gnome-software-plugin-snap 3.28.1-0ubuntu4.18.04.1 ProcEnviron: PATH=(custom, no user) XDG_RUNTIME_DIR=<set> LANG=en_US.UTF-8 SHELL=/bin/bash 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/1782703/+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
