You may find difficulty when you are using skype and apche server on the same computer at the same time.. Your apche server may not respond, its services may not run properly, because it use port 80 for its services. And skype also use port 80. So you have to change the port of skype or apache manually..
Change Skype Port
You can change Port for Skype By following steps
- set port to 8080 or any alternate port
- uncheck use port 80 and 443 as alternatives for incoming connections
Change Apache Port
You can change port of apache
1. Open httpd.conf file from wamp -> Apache -> httpd.conf