Also getting mails from your UTM regardig “INFO-141] Http proxy not running – restarted”? The problem exists since today and the reason is a broken pattern update for application control. Deactivate your Application Control since the new pattern update will be released. I would suggest to activate it again on Wednesday.
Advisory: Sophos UTM: HTTPProxy coredumps after Appctrl update: https://community.sophos.com/kb/en-us/127257
/update: Delete also the coredumps with this command in the shell: