Hittin Enter, or TAB+Enter should work. It isn't u-c-c bug. The issue is in gnome-online-accounts. For unity, you can run with
GTK_CSD=1 unity-control-center ** Also affects: gnome-online-accounts (Ubuntu) Importance: Undecided Status: New ** Changed in: unity-control-center (Ubuntu) Status: New => Invalid -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to gnome-online-accounts in Ubuntu. https://bugs.launchpad.net/bugs/1868732 Title: Single Sign-on dialogue has no [OK] button Status in gnome-online-accounts package in Ubuntu: New Status in unity-control-center package in Ubuntu: Invalid Bug description: 1. Software updater says "You can use Livepatch to keep your computer up to date" 2. I click on the Livepatch button 3. Which says I have to log in to my Ubuntu One account 4. Up pops a dialogue box, which allows me to fill in my email and password 5. And no OK button. Hitting [return] doesn't help either. (See image) I can't log in to get Livepatch! ProblemType: Bug DistroRelease: Ubuntu 18.04 Package: unity-control-center 15.04.0+18.04.20180216-0ubuntu1 ProcVersionSignature: Ubuntu 4.15.0-91.92-generic 4.15.18 Uname: Linux 4.15.0-91-generic x86_64 ApportVersion: 2.20.9-0ubuntu7.12 Architecture: amd64 CurrentDesktop: Unity:Unity7:ubuntu Date: Tue Mar 24 15:09:09 2020 ExecutablePath: /usr/bin/unity-control-center InstallationDate: Installed on 2015-04-27 (1793 days ago) InstallationMedia: Ubuntu 15.04 "Vivid Vervet" - Release amd64 (20150422) SourcePackage: unity-control-center UpgradeStatus: Upgraded to bionic on 2020-03-12 (11 days ago) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-online-accounts/+bug/1868732/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp