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

[WebDeveloper]

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.

[Altrea]

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

[WebDeveloper]

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

Thank you!