PID:4 using Port 80

Posted by CyberOPS on Super User See other posts from Super User or by CyberOPS
Published on 2011-10-30T01:40:49Z Indexed on 2012/10/14 9:41 UTC
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Windows

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port

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webserver

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pid

I was trying to install Zend Server CE on my computer but when I got to the point were I need to choose the port for my Web Server it says: "Web Server Port: 80 Occupied". So I decided to check what is using Port 80 with CMD by typing: "netstat -o -n -a | findstr 0.0:80":

TCP     0.0.0.0:80     0.0.0.0:0     LISTENING     4

I check for PID:4 in Task Manager's Processes and Services. Seems PID 4 is "System".

So, what I want to know is how can I stop "System" (PID:4) from using Port 80?

INFO: I am using: Windows 7 64bit; Zend Server CE 5.5.0

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