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STATUS_INVALID_TASK_NAME
The task identifier is outside the accepted naming contract
Windows returns STATUS_INVALID_TASK_NAME while handling job, task, callback, or isolation state. The task framework rejected the supplied name before joining or scheduling the task. The restriction may include namespace, encoding, length, or reserved-name rules.
Record the exact name and API, compare it with names already registered, and avoid normalizing or truncating identifiers silently.
Do not silently normalize the rejected name unless the API contract explicitly allows that. Preserve the original identifier so collisions, reserved names, encoding problems, and producer-side naming bugs remain visible.
References
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