I have the same problem when using Linux Mint 18.1 Serena cinnamon:
/var/cache/apt/archives/xubuntu-default-settings_16.04.6_all.deb E: Sub-process /usr/bin/dpkg returned an error code
I have the same problem when using Linux Mint 18.1 Serena cinnamon:
/var/cache/ apt/archives/ xubuntu- default- settings_ 16.04.6_ all.deb
E: Sub-process /usr/bin/dpkg returned an error code