I have just discovered a conflict between Skype and WampServer that I thought I would share. They both use port 80 which causes the conflict. If you run Skype before running Wamp, then Apache will not run. If you go to a site on localhost, you will probably get a blank screen.
Read WAMP and Skype Conflict
One of the worlds biggest open source projects is being bought by one of the worlds biggest and richest software companies. 