To get upload progress bar, you need perl support on your server.

With FTP client software, set permission for the file ubr_upload.pl to 755.

You need to edit the file are set path

Edit cgi-bin/ubr_upload.pl

Find

my $TEMP_DIR        = '/home/username/public_html/templates_c/';

Replace it with path to templates_c folder.

In cpanel servers, it will be

/home/CPANEL-USER-NAME/public_html/templates_c/

In Plesk, it will be

/var/www/vhosts/youdomain.extn/httpdocs/templates_c/

Edit include/settings/upload.php

Find

$use_upload_progress_bar = 0;

Replace it with

$use_upload_progress_bar = 1;