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2020-004

  1. maccattacc

    Security Update 2020-004 Won't Install

    Hi all, I've downloaded the latest security update from the Mac App Store. It's update 2020-004. My MacBook Pro is running on High Sierra (10.13.6). When I try restarting my computer to install the update, it gets stuck during the shut down process on a black screen with just a movable cursor...
  2. M

    Installed Security Update 2020-004 twice and got keyboard issues

    Hi, After installing Security Update 2020-004 on my mid 2012 Mac Air the keyboard started generating the wrong characters. This has happened in the past and so I tried what worked before and switched accounts. No problems with the other user account - the keyboard worked fine and I'm writing...
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