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I have an app that doesn't properly stop listening on a port.

How do I force it to stop so I can open the application again/use that port again?

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Appears as though bobber205 is asking for a windows answer based on his tag "windows". @bobber205 - care to confirm this? – Patrick R Feb 22 '10 at 17:51
@Patrick R: bobber205 did not tag it windows; thepocketwade did. You can confirm that it is windows by looking at his comment to Stephen Thompson's answer. – Kevin M Feb 22 '10 at 18:07
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@Kevin M - I was attempting to gentle nudge bobber205 to be more clear when he created questions. Especially since the first answer he received was about unix (where I had clearly seen that he had left a comment that he needed a windows answer). Creating clear and concise questions is a skill that we all (including me) improve when receiving occasional tips. – Patrick R Feb 22 '10 at 19:57
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2 Answers

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Yup - get TCPView from SysInternals, find the application and the connection, and close it. Failing that, restarting the application, unless the specific app has a way of doing this. Most apps won't.

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up vote 0 down vote

If the application is running under unix,

Kill -9 <pid>

will forcefully kill a process releasing all it's resources. The 

<pid>

can be found by doing a 

ps aex

at the command line.

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This is on Windows. – bobber205 Feb 21 '10 at 21:38
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