note 76740 added to install.problems.support

Hi, I am new to PHP...i had downloaded the software PHP 5.1 from www.php.net and and the required tools but the server is not running .... displaying the message as Server port no80 is busy so its apache fail.....How can i solve this issue please give the reply as early as possible How can i change the port numbers please give brief description bye ---- Server IP: 69.147.83.197 Probable Submitter: 121.246.1.231 ---- Manual Page -- http://www.php.net/manual/en/install.problems.support.php Edit -- https://master.php.net/note/edit/76740 Del: integrated -- https://master.php.net/note/delete/76740/integrated Del: useless -- https://master.php.net/note/delete/76740/useless Del: bad code -- https://master.php.net/note/delete/76740/bad+code Del: spam -- https://master.php.net/note/delete/76740/spam Del: non-english -- https://master.php.net/note/delete/76740/non-english Del: in docs -- https://master.php.net/note/delete/76740/in+docs Del: other reasons-- https://master.php.net/note/delete/76740 Reject -- https://master.php.net/note/reject/76740 Search -- https://master.php.net/manage/user-notes.php