#define STATUS_PORT_ALREADY_SET ((NTSTATUS)0xC0000048L)
MessageId: STATUS_PORT_ALREADY_SET MessageText: An attempt to set a process's DebugPort or ExceptionPort was made, but a port already exists in the process or an attempt to set a file's CompletionPort made, but a port was already set in the file or an attempt to set an ALPC port's associated completion port was made, but it is already set.