These instructions work with Windows 10 Version 1903, Windows 10 Version 1909 and Windows 10 Version 2004. Note however that you may need to to reapply the registry edit after a Feature/Build Upgrade.
This guide will prevent Windows from putting your computer to sleep or autorestarting via Windows Update. For Windows Update, it sends the notification to autorestart to a Debugger, meaning it doesn't count down and perform an autorestart.
Steps in this guide are taken from:
Right click the start button and select Power Options.
Change Sleep to Never and Screen (optionally) to Never:
Press [Windows] and [ r ] and type in regedit and then press enter:
Accept the User Account Control Prompt:
Copy and paste the following into the address bar and then press [Enter]:
To the left hand side expand this key.
Right click and select New Key to create a sub key:
Call this key
Now select it:
Right click blank space and select New → String Value:
Double click it and assign the value to:
Now close the Registry Editor
As you can see from the system clock, and notification area this computer wanted to restart but didn't restart for 2 weeks: