Port 80 in use by "Unable to open process" with PID 4!

Problems with the Windows version of XAMPP, questions, comments, and anything related.

Port 80 in use by "Unable to open process" with PID 4!

Postby WebDeveloper » 02. July 2016 00:26

Problem detected!
5:37:03 PM [Apache] Port 80 in use by "Unable to open process" with PID 4!
5:37:03 PM [Apache] Apache WILL NOT start without the configured ports free!
5:37:03 PM [Apache] You need to uninstall/disable/reconfigure the blocking application
5:37:03 PM [Apache] or reconfigure Apache and the Control Panel to listen on a different port
5:37:03 PM [Apache] Attempting to start Apache app...
5:37:03 PM [Apache] Status change detected: running
5:37:03 PM [Apache] Status change detected: stopped
5:37:03 PM [Apache] Error: Apache shutdown unexpectedly.
5:37:03 PM [Apache] This may be due to a blocked port, missing dependencies,
5:37:03 PM [Apache] improper privileges, a crash, or a shutdown by another method.
5:37:03 PM [Apache] Press the Logs button to view error logs and check
5:37:03 PM [Apache] the Windows Event Viewer for more clues

Installed XAMPP on Windows 10

Too many hours trying to figure out how to fix it.
WebDeveloper
 

Re: Port 80 in use by "Unable to open process" with PID 4!

Postby Altrea » 02. July 2016 12:31

Hi,

Please read the following thread. It contains an explaination and some different solutions for this issue:
[Q&A] solving Port 80 in use by PID 4 (HTTP.sys) issue

best wishes,
Altrea
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Operating System: Windows 10 Pro x64

Re: Port 80 in use by "Unable to open process" with PID 4!

Postby WebDeveloper » 02. July 2016 22:22

Yes, I was able to fix XAMPP by changing the Listening Ports. It is working now.

Thank you!
WebDeveloper
 


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