note 51917 added to ref.mysql

when I connect mysql4.1 with php4[php-4.3.11-Win32] it show warning as follow: Warning: mysql_connect(): Client does not support authentication protocol requested by server; consider upgrading MySQL client in c:\Files\Apache2\htdocs\connect.php on line 10 Warning: mysql_close(): supplied argument is not a valid MySQL-Link resource in C:\Files\Apache2\htdocs\connect.php on line 12 I do not know how to handle it.SOS ---- Manual Page -- http://www.php.net/manual/en/ref.mysql.php Edit -- http://master.php.net/manage/user-notes.php?action=edit+51917 Delete: added to the manual -- http://master.php.net/manage/user-notes.php?action=delete+51917&report=yes&reason=added+to+the+manual Delete: bad code -- http://master.php.net/manage/user-notes.php?action=delete+51917&report=yes&reason=bad+code Delete: spam -- http://master.php.net/manage/user-notes.php?action=delete+51917&report=yes&reason=spam Delete: useless -- http://master.php.net/manage/user-notes.php?action=delete+51917&report=yes&reason=useless Delete: other reasons -- http://master.php.net/manage/user-notes.php?action=delete+51917&report=yes Reject -- http://master.php.net/manage/user-notes.php?action=reject+51917&report=yes Search -- http://master.php.net/manage/user-notes.php