This is the error i get when trying to run the system monitor from a terminal:
ubuntu@ubuntu:~$ gnome-system-monitor (gnome-system-monitor:5412): Gtk-WARNING **: 17:49:22.082: Theme parsing error: gtk.css:6083:16: Junk at end of value for color (gnome-system-monitor:5412): Gtk-CRITICAL **: 17:49:22.765: gtk_box_pack: assertion '_gtk_widget_get_parent (child) == NULL' failed (gnome-system-monitor:5412): Handy-ERROR **: 17:49:22.941: gtk_window_set_titlebar() is not supported for HdyWindow Trace/breakpoint trap (core dumped) -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to gnome-system-monitor in Ubuntu. https://bugs.launchpad.net/bugs/1921583 Title: Can't run System Monitor in Ubuntu Unity 21.04 Status in gnome-system-monitor package in Ubuntu: Confirmed Bug description: I can't run System Monitor in Ubuntu Unity 21.04. I reported a bug on Ubuntu Unity's tracker, but I've been told to report it here. https://gitlab.com/ubuntu-unity/ubuntu-unity- issues/-/issues/82#note_539356065 ProblemType: Bug DistroRelease: Ubuntu 21.04 Package: gnome-system-monitor 40.0-1 ProcVersionSignature: Ubuntu 5.11.0-11.12-generic 5.11.0 Uname: Linux 5.11.0-11-generic x86_64 ApportVersion: 2.20.11-0ubuntu61 Architecture: amd64 CurrentDesktop: Unity:Unity7:ubuntu Date: Sat Mar 27 15:32:16 2021 InstallationDate: Installed on 2021-03-27 (0 days ago) InstallationMedia: Ubuntu Unity 21.04 SourcePackage: gnome-system-monitor UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-system-monitor/+bug/1921583/+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
