See above, but I'm not able to reproduce this bug (I don't think the description is that poorly worded). Do you still have this on updated Ubuntu 17.10 Greg?
** Changed in: nautilus (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to nautilus in Ubuntu. https://bugs.launchpad.net/bugs/1725714 Title: nautilus crashed with SIGABRT in g_assertion_message() (NAUTILUS_IS_DIRECTORY (directory)) Status in nautilus package in Ubuntu: Incomplete Bug description: The only nautilus error I could find in the application logs read: ERROR:../src/nautilus-files-view.c:8353:load_directory: assertion failed: (NAUTILUS_IS_DIRECTORY (directory)) I had opened a second nautilus instance and had just begun to search a mounted drive when the crash occured. Sorry friends, I'm a decade long Ubuntu user, but I'm uncertain what would be useful here. ProblemType: Crash DistroRelease: Ubuntu 17.10 Package: nautilus 1:3.26.0-0ubuntu1 ProcVersionSignature: Ubuntu 4.13.0-16.19-generic 4.13.4 Uname: Linux 4.13.0-16-generic x86_64 NonfreeKernelModules: nvidia_uvm nvidia_drm nvidia_modeset nvidia ApportVersion: 2.20.7-0ubuntu3 Architecture: amd64 CurrentDesktop: GNOME Date: Sat Oct 21 10:21:17 2017 ExecutablePath: /usr/bin/nautilus InstallationDate: Installed on 2017-09-07 (43 days ago) InstallationMedia: Ubuntu-GNOME 17.04 "Zesty Zapus" - Release amd64 (20170412) ProcCmdline: nautilus --new-window /home/username ProcEnviron: PATH=(custom, no user) XDG_RUNTIME_DIR=<set> LANG=en_US.UTF-8 SHELL=/bin/bash Signal: 6 SourcePackage: nautilus StacktraceTop: g_assertion_message () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 g_assertion_message_expr () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 ?? () ?? () ?? () Title: nautilus crashed with SIGABRT in g_assertion_message() UpgradeStatus: Upgraded to artful on 2017-10-20 (1 days ago) UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/nautilus/+bug/1725714/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : email@example.com Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp