If you are getting the download an upload script fo video, it means that your site is not executing the script but it is treating as plain text type doc. what we have to do is to make your site to run .pl and .cgi files.
For this, you need to check the permission of cgi-bin folder and files inside it,. it should be 755.
To make your cgi and pl files to be run in your site, you need to add the following lines in your htaccess.
===============================
AddHandler cgi-script .cgi .pl
Options +ExecCGI
Options +ExecCGI
Options +ExecCGI
Options +ExecCGI
===============================