During the installation of Apache2 I got the following message into cmd window:
Installing the Apache2.2 service The Apache2.2 service is successful
Me also coming the same problem. The solution is goto add or remove programes then click the turn windows features on or off. Turn off the IIS. That is turn off the 'Internet information services' and 'Internet information service removable web core'. I chosed the remaining features are on. Computer will ask to restart the system. Restart ur computer and then install the apache http server. I got it. Server succesfully working...