Recently some of my ports always conflict with the port i want to open in window. I try to find out how can i know what programs or ports currently using in my computer? With a simple command, it will show exactly what i want to know. Please issue following command in windows command prompt.

netstat -nb

Above command will show which ports open in my computer and what program hold the port. If you want to know more detail about netstat command , please issue following command also.

netstat -?