i have recently installed chrome remote desktop too, and nautilus and terminal stopped working. running this solved the terminal issue for me, as suggested in this [0] duplicate question:
dbus-update-activation-environment --systemd --all for some reason, terminal wouldnt launch, but i could use the terminal embedded onto another application (vscode). I'm still looking for clues for the other issue (nautilus) [0]: https://bugs.launchpad.net/ubuntu/+source/gnome- terminal/+bug/1772259/comments/9 -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to gnome-terminal in Ubuntu. https://bugs.launchpad.net/bugs/1740106 Title: Gnome terminal not starting, timeout reached (bionic) Status in gnome-terminal package in Ubuntu: Confirmed Bug description: After a having my memory filled I had to reboot because the system got unresponsive. After that I can no longer open gnome terminal. I tried running it from xterm and the following message appears: Error constructing proxy for org.gnome.Terminal:/org/gnome/Terminal/Factory0: Error calling StartServiceByName for org.gnome.Terminal: Timeout was reached ProblemType: Bug DistroRelease: Ubuntu 18.04 Package: gnome-terminal 3.24.2-0ubuntu4 ProcVersionSignature: Ubuntu 4.14.0-11.13-generic 4.14.3 Uname: Linux 4.14.0-11-generic x86_64 ApportVersion: 2.20.8-0ubuntu5 Architecture: amd64 CurrentDesktop: ubuntu:GNOME Date: Tue Dec 26 10:38:26 2017 InstallationDate: Installed on 2017-08-21 (126 days ago) InstallationMedia: Ubuntu 17.10 "Artful Aardvark" - Alpha amd64 (20170820) SourcePackage: gnome-terminal UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-terminal/+bug/1740106/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : [email protected] Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp

