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WU_E_WUTASK_INPROGRESS
WU_E_WUTASK_INPROGRESS means the requested Windows Update task is already running. This family describes task state; it does not necessarily name a specific Task Scheduler entry.
What to do
- Avoid launching the same update action in parallel from multiple scripts, consoles, or management systems.
- Wait for the existing task to finish and inspect its result before starting another attempt.
- If the task remains in progress unusually long, investigate the underlying scan, download, or install stage rather than forcing a duplicate task.
Microsoft: Windows Update log files
Microsoft: Windows Update error reference
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