Similar bug posted on http://askubuntu.com/q/855522/135465.
Here is the error I get trying to open ubuntu-software (which points to gnome-software): $ ubuntu-software (ubuntu-software:6610): Gs-WARNING **: Failed to create permission org.freedesktop.packagekit.trigger-offline-update: GDBus.Error:org.freedesktop.PolicyKit1.Error.Failed: Action org.freedesktop.packagekit.trigger-offline-update is not registered (ubuntu-software:6610): Gs-WARNING **: Failed to create permission org.freedesktop.packagekit.trigger-offline-update: GDBus.Error:org.freedesktop.PolicyKit1.Error.Failed: Action org.freedesktop.packagekit.trigger-offline-update is not registered (ubuntu-software:6610): Gs-WARNING **: Failed to create permission org.freedesktop.packagekit.trigger-offline-update: GDBus.Error:org.freedesktop.PolicyKit1.Error.Failed: Action org.freedesktop.packagekit.trigger-offline-update is not registered (ubuntu-software:6610): Gs-WARNING **: Failed to create permission org.freedesktop.packagekit.trigger-offline-update: GDBus.Error:org.freedesktop.PolicyKit1.Error.Failed: Action org.freedesktop.packagekit.trigger-offline-update is not registered (ubuntu-software:6610): Gs-WARNING **: Failed to create permission org.freedesktop.packagekit.trigger-offline-update: GDBus.Error:org.freedesktop.PolicyKit1.Error.Failed: Action org.freedesktop.packagekit.trigger-offline-update is not registered (ubuntu-software:6610): GLib-CRITICAL **: g_dir_read_name: assertion 'dir != NULL' failed (ubuntu-software:6610): Gtk-WARNING **: Error loading image 'file:///usr/share/gnome-software/featured-inkscape.png': Error opening file: Too many open files (ubuntu-software:6610): GLib-ERROR **: Creating pipes for GWakeup: Too many open files Trace/breakpoint trap (core dumped) -- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gnome-software in Ubuntu. https://bugs.launchpad.net/bugs/1575351 Title: installing updates fail for packages with conffiles questions To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu-gnome/+bug/1575351/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs