GCP: Debian stuck at setting up dbus

I have been trying to install GUI, i.e. gnome and lxde, into Debian 9 stretch in google cloud computing instance. I have even increased the cpu, ram, harddisk size. However, the installation is always stuck at "Setting up dbus (1.10.26-0+deb9u1)" My last attempt is letting it sit for 6 hours now. It's still stuck there. What can I do? Thanks and Regards Edit1: I found this line. Does this have to do with this error? Setting up rtkit (0.11-4+b1) ... Created symlink /etc/systemd/system/graphical.target.wants/rtkit-daemon.service → /lib/systemd/system/rtkit-daemon.service. Job for rtkit-daemon.service failed because a timeout was exceeded. See "systemctl status rtkit-daemon.service" and "journalctl -xe" for details. rtkit-daemon.service couldn't start. Edit2: I shutdown the instance and get thefollowing. Not sure if this may mean anything or not related at all - again because I forced shutdown the system. Setting up dbus (1.10.26-0+deb9u1) ... Job for dbus.service canceled. invoke-rc.d: initscript dbus, action "start" failed. ● dbus.service - D-Bus System Message Bus Loaded: loaded (/lib/systemd/system/dbus.service; static; vendor preset: enabled) Active: failed (Result: exit-code) since Wed 2018-05-02 21:38:17 UTC; 31min ago Docs: man:dbus-daemon(1) Main PID: 15748 (code=exited, status=1/FAILURE) May 02 21:37:52 instance-2 systemd: Started D-Bus System Message Bus. May 02 21:37:52 instance-2 dbus-daemon: Failed to start message bus: Could not get UID and GID for username "messagebus" May 02 21:38:17 instance-2 systemd: dbus.service: Main process exited, code=exited, status=1/FAILURE May 02 21:38:17 instance-2 systemd: dbus.service: Unit entered failed state. May 02 21:38:17 instance-2 systemd: dbus.service: Failed with result 'exit-code'. dpkg: error processing package dbus (--configure): subprocess installed post-installation script returned error exit status 1