I think you had removed the gnome-42-2204 and this caused the interface not to connect.
> sudo apt install snap --reinstall > sudo apt install snap --reinstall chromium You conflated snap[1] and snapd[2] in those instances. If your intention was to reinstall Chromium (and not snapd), then you could have used either of apt install --reinstall chromium snap remove chromium && snap install chromium [1] https://packages.ubuntu.com/mantic/snap [2] https://packages.ubuntu.com/mantic/snapd ** Changed in: chromium-browser (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to chromium-browser in Ubuntu. https://bugs.launchpad.net/bugs/2025916 Title: command-chain ... not found Status in chromium-browser package in Ubuntu: Incomplete Bug description: (I'm not familiar with snap, was migrated to it by *buntu for chromium-browser) Received the usual, well-know notification of having to snap refresh, some time given ... Closed chromium and issue the usual 'sudo snap refresh'. It went through, without any error indication. Restarting chromium failed, on the command line with $ chromium-browser Content snap command-chain for /snap/chromium/2529/gnome-platform/command-chain/desktop-launch not found: ensure slot is connected Using Firefox, after some Google I found and tried $ sudo apt install snap --reinstall ... The following NEW packages will be installed: snap And, no, I did not uninstall it. This is my work laptop, and I do only the basic and necessary system administration on it. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/chromium-browser/+bug/2025916/+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