HRESULT 0x8024004D (WU_E_INFRASTRUCTUREFILE_INVALID

Status / error code:

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Description:

A downloaded Windows Update infrastructure file had an invalid format.

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WU_E_LOW_BATTERY	WU_E_INFRASTRUCTUREFILE_REQUIRES_SSL

WU_E_INFRASTRUCTUREFILE_INVALID_FORMAT

WU_E_INFRASTRUCTUREFILE_INVALID_FORMAT means Windows Update received an infrastructure file that it could not parse as valid. The failure concerns the delivered control data, not necessarily the update payload itself.

How to investigate

Record the associated URL, update service, and preceding WinHTTP or proxy events.
For WSUS or content intermediaries, verify that the infrastructure file is not being modified, truncated, or replaced by an error response.
Retry only after the route consistently serves the expected file; repeated failures should be investigated server-side.

Microsoft: Windows Update error reference

Microsoft: Windows Update log files

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