This is a persistent issue for many a version. I've tried these config settings too and it still consistently-inconsistent resets it sometimes. app.update.auto (->false) app.update.auto.migrated (->false) app.update.enabled (->false) app.update.service.enabled (->false) DisableAppUpdate (->true)

It does this on closing hanging browser or on system power off (without closing browser manually). Also if setting is set to don't update -> close browser within a minute -> when reopened it is on autoupdate again.