Additional information: this only seems to happen on first start up when there is no internet connection. Subsequent start ups after it has contact the internet do not show this ugly error message. It fails more gracefully.
Should I log this upstream? -- 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: New 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 : [email protected] Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp

