how to termination process?

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WIN7 admin
The process normal use PORT 30160 end with abnormal, but still occupied port.
Use cmd, netstat cmd show: TCP 0.0.0.0:30160 0.0.0.0:0 4392, the pid is 4392.
But, the task manager cannot find the process.
I use the function "TerminateProcess" , error code 5 （Access denied）.
How to end it?

Posted 17-Sep-14 23:23pm

Member 10717194

Updated 17-Sep-14 23:42pm

Richard MacCutchan

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Richard MacCutchan 18-Sep-14 5:43am

If the process terminates then it has terminated. The port will remain active and pointing at that process id until it times out or the connection is force closed.

Member 10717194 18-Sep-14 5:57am

It's still occupied after 30 minutes. is this normal?

_Asif_ 18-Sep-14 5:55am

you can use process viewer from sysinternal to verify and you can also kill process from there too

Member 10717194 18-Sep-14 6:15am

Use TCPView from sysinternal can find the process, but still cann't Terminate the Process.
the process name is "<non-existent>"
process pid Protocol LocalAddress Local Port RemoteAdd Remote Port
non-existent 4392 TCP admin 30160 admin 0 LISTENING

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George Jonsson · Answer 1 · 2014-09-17T23:59:00

You can try the tool Open Ports Scanner[^]

It should be possible to force close ports with this tool.

Description:
This system utility monitors open TCP and UDP ports, connections and software applications that open these connections. It brings you an enhanced functionality of a similar tool that comes with Windows operating system: netstat. Open Ports Scanner in addition to the ports information available from your operating system, allows you to map an open port to the process ID running on your computer. You may easily catch spyware, malware and trojans when using this tool. Just search for suspicious TCP connections. You may instantly terminate unwanted connections right from this software. Monitoring features include TCP or UDP view filter and refresh speed timer. Full list of displayed data includes protocol name, process name, process ID, local port, local address, remote port, remote address and connection status. You may instantly close an open unwanted connection or export / print the list of open ports into a text file for future research.