WEBApr 28, 2024 · Update manager not working. by one pound » Sun Apr 28, 2024 11:05 am. When using apt update I get: Code: Select all. /bin/sh: 1: /usr/sbin/dpkg-preconfigure: not found. dpkg: warning: 'start-stop-daemon' not found in PATH or not executable. dpkg: error: 1 expected program not found in PATH or not executable.