This (OS 10013) error message could be related to Windows Web Server IIS running and using port 80.
Try disabling this in the Control Panel and these instructions are for Vista so please adapt for W7:
To disable IIS
go toStart>Control Panel>Programs and Features
on the leftmost side you will find an optionTurn Windows features on or off
click on it and uncheckInternet Information Services
and then restart your computer.
There was another method to stop IIS here:viewtopic.php?p=153354#p153354
You may also need to disable User Account Control ( UAC
) to run a web server.
You may also want to allow XAMPP ports through any firewall or antivirus scanner ZoneAlarm etc. that you may have installed and running.
The full lists of ports can be found here:http://www.apachefriends.org/en/faq-xam ... html#xpsp2
A forum search in XAMPP for Windows and a copy and paste of these keywords...(OS 10013)An attempt was made to access a socket in a way forbidden by its access permissions
...may reveal how popular this error has been and which also may include many solutions.