How get back the Automatic Update Service in Windows Services.
Usually Some Virus, Spyware delete the service from the windows services
If you face this kind of problem , Then try the below solution , Which worked for me
Go to START, Select RUN
Type: regsvr32 wuaueng.dll
Press Ok
Now check the Service Manager for "Automatic Update" service
Click Start, select Run and type: Services.msc
Press Enter
Locate the - "Automatic Update"
Make sure the service is not disabled and started.