For no apparent reason, Sierra has again downloaded and installed an old ‘security’ update from 2016. Not only that, but it does its utmost to prevent you from finding out, even when studying the log. At least 5 bugs!
softwareupdate
Full release for El Capitan, Sierra, and High Sierra, and corresponding versions of macOS Server. Now with full Help book.
Introducing a new version of SystHist which lets you see everything that Apple, the App Store, and silent updates install, for El Capitan, Sierra, and High Sierra.
Did Sierra systems have a silent update to OSX1012IncompatibleAppList around 4 January 2018? It looks like another worrying mistake by Apple.
Here’s how to find out just what that last update installed, so you can remove it manually if necessary.
Provides two views of your Mac’s update history: a simple text list, as before, and a structured version ideal for Macs with long histories.
A simple tool to list, in chronological order, all system and security updates. Runs on Sierra and High Sierra, and should be good on El Capitan too.
Time Machine backups are but one of 70-80 background services which are run by macOS dispatching systems. Here’s a list of some of the others.
If there’s one update that we need, it is an App Store app which works reliably. The current one suffers from general dystopia.
Installing a Combo update of OS X is a popular panacea for puzzling problems. But you need to do a bit more to complete the job.
The Eclectic Light Company 