What program in Windows 10 uses port 80?

windows-10 port80 ampps
xttrust picture xttrust · Aug 5, 2015 · Viewed 90.4k times · Source

I updated my Windows 7 PC to Windows 10. When I start AMPPS it says port 80 is used by another program. What program uses port 80?

Answer

Jake Z picture Jake Z · Aug 7, 2015

It's probably the W3SVC (World Wide Web Publishing Service) service. See the answer below:

https://stackoverflow.com/a/31229606/1532882

  1. Click the start menu
  2. Type in Services
  3. Sort by Name
  4. Scroll down to World Wide Web Publishing Service (W3SVC) and disable it

Per phpvillian's answer, you can also run the following to help determine the culprit (make sure you open the command line with elevated privileges, e.g. "Run as administrator"):

netstat -a -b

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