I did an apt-get install preenv these are what I was greeted with: After this operation, 0B of additional disk space will be used. Setting up account-plugin-salut (0.10) ... /var/lib/dpkg/info/account-plugin-salut.postinst: line 6: /etc/init.d/avahi-daemon: not found dpkg: error processing account-plugin-salut (--configure): subprocess post-installation script returned error exit status 127 dpkg: dependency problems prevent configuration of telepathy-extras: telepathy-extras depends on account-plugin-salut; however: Package account-plugin-salut is not configured yet. dpkg: error processing telepathy-extras (--configure): dependency problems - leaving unconfigured Errors were encountered while processing: account-plugin-salut telepathy-extras E: Sub-process /usr/bin/dpkg returned an error code (1) /home/user # please help..