Windows 10: Update and shutdown does not shutdown, logs in afterward

I've had this happen to me a few times now and one of the more recent times caused a problem. I accept that Windows sometimes deems it absolutely necessary to install an update, and therefore replaces the typical "Shutdown" option with "Update and Shutdown", however I'm finding that the "Shutdown" part of this does not always work.Recently I made sure to update my laptop prior to being out in the field, I chose the "Update and Shutdown" option and then placed the laptop in my bag in preparedness. Fast forward a few days and when I removed the laptop from my bag, it was turned on, logged in and

:)

 

Shutdown

if you been notified that there's updates just go to shutdown the system and you should get a option to update and shutdown the system after updates.

 

PC is Suffering Unexpected Shutdowns

Most important detail to me would be whether these shutdowns are sudden, in which case it's likely a short or PSU issue (capacitor aging maybe?) or graceful windows style shutdowns, which suggests software interference.

It could also be overheating components if it's a sudden shutdown. What are your thermals like?

 

Shutdown Timer I Made

Shutdown Timer v3.1

Features:

• Shutdown
• Restart
• Logoff
• Lock
• Hibernate
• Standby
• Monitor Standby
• Open a File
• Open a WebPage
• Based on Date & Time
• CPU/Memory Utilisation
• CPU Temperature using Core Temp
• Networking options
• Process Management
• Idle Usage
• Wakeup Timer - Wakeup from sleep!
• Integrated Updater
• Ability to save your settings for furture use
• Completely Portable, You can take it on a USB if you want to!
• 32 & 64 Bit compatible versions

Download and information here

Feedback would be great on it. Thanks