Today I clicked Check for updates and, surprisingly, Windows update installed the following preview update, despite the fact that I set up everything I knew about to avoid these kinds of preview/beta updates.
How can I make sure something like this does not happen in the future?
Update in question:
July 21, 2020 KB4562900 Cumulative Update Preview for .NET Framework 3.5 and 4.8 for Windows 10 Version 1903 and Windows Server 1903 RTM and Windows 10, version 1909
Windows 1909 Pro
- Local Windows account only. (Never login to an online Microsoft account on Windows)
- Not part of the Insider program
Group Policy (GPEdit)
Select when Feature Updates are received, ENABLED, Semi-Annual, defer for 365 days.
Select the target feature update version: 1909
"Notify for download and auto install"