note 59987 added to ref.mysql

Can someone help me? i can't connect php and mysql together.I have set the path to C:\php , configure the extension_dir in php.ini and remove the semicolon in front of the extension i want to use, but when i start the web server it still prompts "Unable to load dynamic library 'C:\php\ext\php_mysqli.dll' - Access is denied. ---- Manual Page -- http://www.php.net/manual/en/ref.mysql.php Edit -- http://master.php.net/manage/user-notes.php?action=edit+59987 Delete: added to the manual -- http://master.php.net/manage/user-notes.php?action=delete+59987&report=yes&reason=added+to+the+manual Delete: bad code -- http://master.php.net/manage/user-notes.php?action=delete+59987&report=yes&reason=bad+code Delete: spam -- http://master.php.net/manage/user-notes.php?action=delete+59987&report=yes&reason=spam Delete: useless -- http://master.php.net/manage/user-notes.php?action=delete+59987&report=yes&reason=useless Delete: non-english -- http://master.php.net/manage/user-notes.php?action=delete+59987&report=yes&reason=non-english Delete: already in docs -- http://master.php.net/manage/user-notes.php?action=delete+59987&report=yes&reason=already+in+docs Delete: other reasons -- http://master.php.net/manage/user-notes.php?action=delete+59987&report=yes Reject -- http://master.php.net/manage/user-notes.php?action=reject+59987&report=yes Search -- http://master.php.net/manage/user-notes.php