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0x00001721

ERROR_CLUSTER_PARTIAL_READ

An error occurred while reading from a stream of data. An unexpected number of bytes was returned.

win32decimal 5921

Matched as: the code as given (hex)

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Source: System Error Codes (4000-5999) - Win32 apps · CC-BY-4.0 (MicrosoftDocs/sdk-api, repo license verified 2026-10-09) · retrieved 2026-10-09