did you check in the task manager for processes that are running with the user with which mq processes run. Sometimes MQ triggering starts some app and that application may not end/die. Normally thes ...
Can you please give snippets of your code where u are opening the queue and putting mesagge?
And also can you give the remote queue definition, local queue definition and transmit queue definitions h ...
You can't see status of the service of type "COMMAND" with "display svstatus" command. It is only for "SERVER" type services according to the documentation (System Admin Guide)