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How to Start/Stop Windows Update
Services Regedit CMD Msconfig
Msconfig: This method shows you how to Start/Stop Windows Update service from starting with the operating system using System Configuration Perform the following steps: Please go to Start and click on the Type here to search Type msconfig and press Enter In System Configuration please go to Services tab and locate Windows Update service Uncheck the box to prevent this service to start and then press OK to finish
Any change make in System Configuration will be apply after restart