I have tried with Vbox 3D enabled and the 'sudo nautilus' works OK.
Disabling 3D again reintroduces the error. The error occurs with both
Vbox Guest Additions 5.2.7 and 5.2.4. Enabling 3D is not a good
workaround, because of bug Bug 1748729 related to 3D enabled.
You received this bug notification because you are a member of Ubuntu
Bugs, which is subscribed to Ubuntu.
sudo nautilus or gedit not working
To manage notifications about this bug go to:
ubuntu-bugs mailing list