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WU_E_SETUP_NON_DEFERRABLE_REBOOT_PENDING
WU_E_SETUP_NON_DEFERRABLE_REBOOT_PENDING is also a success-with-restart condition, but the reboot should not be postponed when the update workflow must continue. The agent update has succeeded; the setup is awaiting restart completion.
Recommended action
- Restart the computer as soon as the maintenance window permits.
- Do not launch additional agent setup or dependent update tasks until after restart.
- If the code appears again after reboot, review the log for the operation that recreates the pending state.
Microsoft: Windows Update error reference
Microsoft: Windows Update log files
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