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ERROR_INVALID_DATA
Input data failed validation
ERROR_INVALID_DATA is a broad Win32 validation result. The failing subsystem recognized the request but rejected its payload, structure contents, encoded record, or configuration value.
Diagnosis
- Validate structure size and version fields.
- Check encoding, byte order, lengths, offsets, and terminators.
- Compare the input with a known-good sample.
- Identify whether corruption occurred during storage, transfer, or parsing.
Handling
Reject the affected item without using partially parsed values. Report the field or record that failed validation when the API provides that detail.
References
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