If the above command does not fix the problem then next please try uninstalling these extensions:
'extension-shortc...@shs-schubert.de', 'transparenttop...@peclu.net', 'openweather-extens...@jenslody.de', 'systemMonitor@gnome-shell- extensions.gcampax.github.com', 'drawonyourscr...@abakkk.framagit.org', 'applications-overview-tooltip@RaphaelRochet', 'apt-update- indica...@franglais125.gmail.com', 'caffe...@patapon.info', 'gsconn...@andyholmes.github.io', 'drop-down-termina...@bigbn.pro', 'places-m...@gnome-shell-extensions.gcampax.github.com', 'screenshot- window-si...@gnome-shell-extensions.gcampax.github.com', 'windowsnaviga...@gnome-shell-extensions.gcampax.github.com', 'apps-menu @gnome-shell-extensions.gcampax.github.com', 'pomod...@arun.codito.in', 'amdtool...@zerosubnet.com', 'radeon-dpm-control@s3rius', 'freon@Veske', 'auto-move-wind...@gnome-shell-extensions.gcampax.github.com', 'custom- hot-corn...@janrunx.gmail.com', 'extensi...@abteil.org', 'drive-menu @gnome-shell-extensions.gcampax.github.com', 'system- moni...@paradoxxx.zero.gmail.com' ** Changed in: gnome-shell (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1902783 Title: Super key is not working To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/1902783/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs