What does Windows error code 758 (ERROR_NOTHING_TO_TERMINATE) mean?

ERROR_NOTHING_TO_TERMINATE

the target process has no remaining threads that can be terminated.

ERROR_NOTHING_TO_TERMINATE identifies this condition: Termination logic reached a process object whose thread set was already empty. This can occur during races between independent cleanup paths or while a process is already far into teardown.

Where the result appears

• process-management tools issuing overlapping terminate requests.
• job-object cleanup.
• service supervision during rapid exit.
• kernel diagnostics around process teardown races.

What to collect

• target PID plus creation time to avoid PID-reuse confusion.
• process and thread exit timestamps.
• caller identity and termination reason.
• whether another component issued termination first.

Handling and recovery

Treat the target as already terminating or terminated, then verify the desired end state instead of looping on TerminateProcess. Cleanup code should be idempotent and must tolerate disappearance of the process between discovery and action.

Common misinterpretation

The status does not prove that termination succeeded because of the current request. Another actor may have completed it, so audit records should distinguish requested action from observed final state.

References

• Microsoft: System error codes 500–999