Help needed

[mrjuke4859]

good day

I'm new to XAMPP and I'm taking a course. I downloaded the software and
then started it. I am getting this error and I'm not sure what to do.

3:21:35 PM [Apache] Checking default ports...
3:21:35 PM [Apache] Portblocker Detected: System
3:21:35 PM [Apache] Checking for App: c:\xampp\apache\bin\httpd.exe
3:21:35 PM [Apache] Portblocker Path: Unable to open process
3:21:35 PM [Apache] Portblocker Service Path:
3:21:35 PM [Apache] Problem detected!
3:21:35 PM [Apache] Port 80 in use by "Unable to open process" with PID 4!
3:21:35 PM [Apache] Apache WILL NOT start without the configured ports free!
3:21:35 PM [Apache] You need to uninstall/disable/reconfigure the blocking application
3:21:35 PM [Apache] or reconfigure Apache and the Control Panel to listen on a different port
3:21:35 PM [Apache] Attempting to start Apache app...
3:21:35 PM [Apache] Executing "c:\xampp\apache\bin\httpd.exe"
3:21:35 PM [Apache] Return code: 0
3:21:36 PM [Apache] Status change detected: running
3:21:36 PM [Apache] Status change detected: stopped
3:21:36 PM [Apache] Error: Apache shutdown unexpectedly.
3:21:36 PM [Apache] This may be due to a blocked port, missing dependencies,
3:21:36 PM [Apache] improper privileges, a crash, or a shutdown by another method.
3:21:36 PM [Apache] Press the Logs button to view error logs and check
3:21:36 PM [Apache] the Windows Event Viewer for more clues
3:21:36 PM [Apache] If you need more help, copy and post this
3:21:36 PM [Apache] entire log window on the forums

Appreciate any help or if there is a tutorial that can help me fix this
problem.

Thank you.

[melius2]

It seems that another process is using port 80.

Check this post which provides solutions to this problem:
https://community.apachefriends.org/viewtopic.php?f=16&t=69784