This is the Apache configuration file. Around line 264 - change the line to point to the same directory tree specified in No. 5 above. Create a cgi-bin directory for your perl scripts. Change the path to point to the same directory in number 8 above. Familiarizing yourself with all of the httpd.conf file will help in configuring the server and will give a great overall understanding of how Apache works.
Any error messages are probably a function of a simple error in the php.ini or the httpd.conf file.
Check your paths - and check to make sure you have the back slahes and forward slashes exactly as they written in the text of this documentation. You should now be logged into the MySQL server. Point the browser to the new script you just created. Make sure this is correct if you are having problems with perl. PHP Installation Page Clueless Lou's Page for installing Active State Perl with Apache PhpMyAdmin runs great locally.