Package: mugshot Version: 0.3.1-1 Followup-For: Bug #855157 I had this issue too, and I confirm that installing accountsservice fixes the issue. This should definitively be added to the dependencies of mugshot (or maybe only libaccountsservice0).
-- System Information: Debian Release: 9.1 APT prefers stable APT policy: (500, 'stable') Architecture: amd64 (x86_64) Kernel: Linux 4.9.0-3-amd64 (SMP w/4 CPU cores) Locale: LANG=fr_FR.utf8, LC_CTYPE=fr_FR.utf8 (charmap=UTF-8), LANGUAGE=fr_FR.utf8 (charmap=UTF-8) Shell: /bin/sh linked to /bin/dash Init: systemd (via /run/systemd/system) Versions of packages mugshot depends on: ii dconf-gsettings-backend [gsettings-backend] 0.26.0-2+b1 ii gir1.2-gdkpixbuf-2.0 2.36.5-2 ii gir1.2-glib-2.0 1.50.0-1+b1 ii gir1.2-gst-plugins-base-1.0 1.10.4-1 ii gir1.2-gstreamer-1.0 1.10.4-1 ii gir1.2-gtk-3.0 3.22.11-1 ii python3 3.5.3-1 ii python3-cairo 1.10.0+dfsg-5+b1 ii python3-dbus 1.2.4-1+b1 ii python3-pexpect 4.2.1-1 Versions of packages mugshot recommends: ii gir1.2-cheese-3.0 3.22.1-1+b1 ii gir1.2-gtkclutter-1.0 1.8.2-2 Versions of packages mugshot suggests: ii gstreamer1.0-plugins-good 1.10.4-1 -- no debconf information