Original post: https://www.sevenforums.com/tutorials/211839-shut-down-windows-change-install-updates-shut-down-default.html
Change Default "Install Updates and Shut Down" in Local Group Policy Editor
-Click Start, type gpedit.msc in the Start Search box, and then press ENTER.
- For administrative privileges, create a shortcut with gpedit.msc, right click and select "Run as administrator"
- Open the all users, specific users or groups, or all users except administrators Local Group Policy Editor for how you want this policy applied.
- In the left pane, click on to expand User Configuration, Administrative Templates, Windows Components, Windows Update
- To Not Allow "Install Updates and Shut Down" as Default OptionA) Select (dot) Enabled. (see screenshot below step 6)