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 Desktop Packages, which is subscribed to gnome-shell in Ubuntu. https://bugs.launchpad.net/bugs/1902783 Title: Super key is not working Status in gnome-shell package in Ubuntu: Incomplete Bug description: Ubuntu supper key is not working ProblemType: Bug DistroRelease: Ubuntu 20.04 Package: gnome-shell 3.36.4-1ubuntu1~20.04.2 ProcVersionSignature: Ubuntu 5.4.0-42.46-generic 5.4.44 Uname: Linux 5.4.0-42-generic x86_64 ApportVersion: 2.20.11-0ubuntu27.10 Architecture: amd64 CasperMD5CheckResult: skip CurrentDesktop: GNOME-Classic:GNOME Date: Wed Nov 4 00:55:53 2020 DisplayManager: gdm3 InstallationDate: Installed on 2020-07-22 (104 days ago) InstallationMedia: Ubuntu 18.04.4 LTS "Bionic Beaver" - Release amd64 (20200203.1) RelatedPackageVersions: mutter-common 3.36.6-1ubuntu0.20.04.2 SourcePackage: gnome-shell UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/1902783/+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