HRESULT 0x80246014 (WU_E_DM_READRANGEFAILED): meaning and diagnosis

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Description:

Windows Update could not read a required range from a downloaded update file.

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WU_E_DM_UPDATEREMOVED	WU_E_DM_UNAUTHORIZED_NO_USER

WU_E_DM_READRANGEFAILED

WU_E_DM_READRANGEFAILED indicates that the download manager could not retrieve the part of the local payload it expected. Treat it as a local content availability or integrity problem until the earlier error identifies the cause.

How to investigate

Check for previous BITS transfer failures, disk errors, incomplete downloads, or unexpected cache cleanup.
For managed infrastructure, verify that a retried download receives a consistent content response.
Retry through Windows Update after resolving the condition; do not force installation from a partial file.

Microsoft: Windows Update error reference

Microsoft: Windows Update log files

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