Event ID - 38

Event Id38
SourceMicrosoft-Windows-WindowsUpdateClient
DescriptionWindows Update received a service stop request.
Event InformationAccording to Microsoft :
Cause
This event is logged when Windows Update received a service stop request.
Resolution
Restart Windows Update Agent
To restart Windows Update Agent:
At the elevated command prompt, type the following commands:
netstart
wuauserv
netstart wuauserv
Verify
To confirm that Windows Update Agent is running:
1.Open an elevated Command Prompt window. Click Start, point to All Programs, click Accessories, right-click Command Prompt, and then click Run as administrator.
2.Type wuauclt/detectnow, and then press ENTER.
3.At the command prompt, type eventvwr.msc and press ENTER to open Event Viewer.
4.To check for events in Event Viewer:
a.In the left panel of Event Viewer, click Application and Service Logs.
b.Expand Microsoft, and then expand Windows.
c.Click WindowsUpdateClient, and then click Operational.
d.Check to see if Event IDs 28, 38, and 39 are not present in the event list to confirm that Windows Update Agent is running.
Reference LinksEvent ID 38 from Microsoft-Windows-WindowsUpdateClient

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