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WU_S_UH_DOWNLOAD_SIZE_CALCULATED
Windows Update handler calculated actual download size
WU_S_UH_DOWNLOAD_SIZE_CALCULATED is HRESULT 2367510 (0x00242016) from Windows Update. The documented description is “The actual download size has been calculated by the handler.” In the Windows Update Agent callback, handler, or server-initiated healing workflow, the value reports a nonfailure state that must not be collapsed into plain S_OK.
Wrappers should not translate this result to an undifferentiated Boolean before state handling finishes.
Where the status is encountered
- Windows Update Agent callback registration and disconnection; capture the exact API, object, and phase because the same numeric success severity does not define the state by itself.
- Update handler planning and download-size calculation;
- Server-initiated healing evaluation;
What must be true before accepting it
Verify that the size corresponds to the selected update, language, architecture, and current delta baseline. The caller should reject a path where outputs and state do not match the recorded condition.
Correct handling and recovery
Use the actual size for progress, bandwidth, and disk planning, while allowing recalculation if update selection or baseline changes.
Difference from nearby results
This is not download completion; it reports that planning metadata became authoritative.
Practical scenario
An update handler resolves delta content and reports a much smaller actual download. The UI updates its estimate before transfer begins.
References
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