If you experience this issue regularly, most of the time your PC installed application (like optimization applications) disable the Windows Update service. If none of the above methods, you have to “Reset” the PC. Now, the update service was shutting down an issue should fix, if it does not work for you, restart the laptop, desktop, or tablet. Then navigate to Windows “Update & Security” and again check for updates.Finally, click on the “Apply” and “OK” buttons.Check “Service status”, if it’s “Stopped” click on the “Start” button.In properties windows, under the “General” tab “Startup Type” should be “Automatic”.
Then it will open the “Properties” window. Scroll to the bottom until you see the “Windows Update”. To fix the “ We could not complete the installation because an update service was shutting down.” error, first, we have to check the Windows update service run properly. How to Fix Windows update service was shutting down. Potential reasons for Update Service Was Shutting Down.