Please make sure you have enter the correct details in uu_default_config.pm

Set the permisssion (755)of pl file in cgi-bin folder

You need to make sure perl works on your server.

If perl is working, you will see

http://video.bizhat.com/cgi-bin/uu_upload.pl

Also try the Cgi-bin problem in plesk at

viewtopic.php?f=4&t=3631