Error code
Windows ERROR_INVALID_HANDLE
WINDOWSERROR_INVALID_HANDLE
System Error Code· A POSIX/system errno returned when a system call fails.
What it means
The handle is invalid..
How to fix it
- Ensure the handle was successfully opened before use and check the open call's return value.
- do not reuse a handle after CloseHandle.
- verify the handle was not closed on another thread.
- restart the application to clear stale state.
Not affiliated with Windows. Answer summarized from the manufacturer's manual linked above; consult that source for the authoritative procedure.
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