Apache WILL NOT Start Without the Configured Ports Free
If You See Following Error “Apache WILL NOT start without the configured ports free!” in the Xampp Control panel, This is Because Some Other Program Already Running using Port 80. In Most Case This Skype, Since Both Apache and Skype use Default Port 80, You may not able to run Both Program at the same time using the same Port Number.
Complete Error Message Similar to Bellow
Apache WILL NOT start without the configured ports free!
You need to uninstall/disable/reconfigure the blocking application
or reconfigure Apache and the Control Panel to listen on a different port
Quickest Solution to the Problem is, Quit Skype and relaunch the Xampp Control Panel or As a Permanent Solution You can reconfigure Apache and the Xampp Control Panel to listen on a Different Port.