If you have Windows 7, 8.1, Windows Server 2008 R2 or Windows Server 2012 with Avast or Sophos installed, Microsoft patches this week risked borking your machine.
https://www.theregister.co.uk/2019/04/11/microsoft_sophos/
Seems like they've (MS) now blocked the patches if the installers detect the aforementioned AV/Security software.
https://www.theregister.co.uk/2019/04/11/microsoft_sophos/
Seems like they've (MS) now blocked the patches if the installers detect the aforementioned AV/Security software.