How do I kill the process currently using a port on localhost in Windows?

Question

How can I remove the current process/application which is already assigned to a port?

For example: localhost:8080

Answer 1

In Windows PowerShell version 1 or later to stop a process on port 3000 type:

Stop-Process (,(netstat -ano | findstr :3000).split() | foreach {$[$.length-1]}) -Force

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As suggested by @morganpdx here`s a more PowerShell-ish, better version:

Stop-Process -Id (Get-NetTCPConnection -LocalPort 3000).OwningProcess -Force