Opening Port 80

I need to open port 80 on one of the computers on my network for a Bank check scanner.

It won't install because it needs port 80 and I can't truly find what port 80 is, all I get is PID 4 is listening to port 80.

If I go to windows firewall and look at all the inbound rules I have Branch Cache listed next to port 80, but it is managed by a system administrator and can't be altered.  I have no idea what branch cache is or what program it would be related to.

Any ideas? or a better way to check what is using port 80?
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Dave BaldwinFixer of ProblemsCommented:
Port 80 is normally the web server port.  If you have Branch Cache listed next to port 80, that's probably it.  You need to talk to your system administrator to see what can be done.

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FosterThomasAuthor Commented:
I am the system admin.  I have no idea what branch cache is and can't find anything in searches.

I stopped the service on the local machine but no prevail.
Dave BaldwinFixer of ProblemsCommented:
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FosterThomasAuthor Commented:
I can't find it in group policies anywhere.   Searches don't seem to show where it is.  

I have one office so don't see a need for this, globally disabling it should solve my problem correct?
Dave BaldwinFixer of ProblemsCommented:
No, you probably have to un-install whatever program that is.  Until then, it probably 'owns' port 80.
FosterThomasAuthor Commented:
Would I uninstall it from server or client ?
Dave BaldwinFixer of ProblemsCommented:
On the machine where you are trying to install the bank scanner.
FosterThomasAuthor Commented:
it's not listed a program I can uninstall.  I got to the point I can disable it and stop it in services, that opens port 80. however after a restart even with it disabled it automatically starts on a restart.  

I am installing the bank scanner now with it disabled and stopped, just not sure if it's going to kick the scanner offline on the next reboot.
How about changing the port that BranchCache uses?

Within the page for that link is an overview of BranchCache, FYI.
Blue Street TechLast KnightCommented:
Hi FosterThomas,

You haven't mentioned needing port 80 opened on the firewall? Is that a requirement or is this software installed on your network?
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