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WU_E_SERVICE_STOP
WU_E_SERVICE_STOP means the WUA operation was interrupted because the service or system was stopping. It is normally transient, but the reason for the stop matters if it occurs repeatedly.
What to check
- Check service-control, reboot, shutdown, and maintenance events at the same time as the update failure.
- Do not start a new installation while the machine is restarting or while Windows Update is being deliberately stopped.
- If the service stops unexpectedly, investigate the preceding service crash or policy action rather than just retrying the update.
Get-Service wuauserv
Microsoft: Windows Update log files
Microsoft: WUA success and error codes
Microsoft: Manage additional Windows Update settings
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