[localhost] WAMP server, localhost is not working

First stop IIS from startmenu by typing IIS manager, Edit c:/wamp/wampmanager.tpl file so the WAMP menu points to localhost:80. Find http://localhost and change it to htttp://localhost:80 also, if you think something else has already grabbed port 80, that is why its not working..,then, Run

wampmanager->Apache->Service->Test port 80

This will launch a command window and tell you what is using port 80. Whatever it is, will need to be re-configured to use another port or for example if its IIS and you dont use IIS it should be un-installed. Further you can use 'net stop' command to stop desired service.