I'm confused...

I just downloaded the RSS feed and there were two SQL files. One called install and the other called update_2_0_2. I got the first one installed (copy and pasted like the instructions said) but the second one I keep getting errors. I tried copy and past via Zen Cart SQL patch uploader and I even tried to just upload the file.

The error i get is:
Code:
1062 Duplicate entry 'RSS_HOMEPAGE_FEED' for key 2
in:
[INSERT INTO zen_configuration (configuration_id, configuration_title, configuration_key, configuration_value, configuration_description, configuration_group_id, sort_order, date_added, use_function, set_function) VALUES (NULL, 'RSS Home Page Feed', 'RSS_HOMEPAGE_FEED', '', 'RSS Home Page Feed', @configuration_group_id, 8, NOW(), NULL, 'zen_cfg_select_option(array(\'news\', \'new_products\', \'upcoming\', \'featured\', \'specials\', \'products\', \'categories\'),'), (NULL, 'RSS Default Feed', 'RSS_DEFAULT_FEED', '', 'RSS Default Feed', @configuration_group_id, 8, NOW(), NULL, 'zen_cfg_select_option(array(\'news\', \'new_products\', \'upcoming\', \'featured\', \'specials\', \'products\', \'categories\'),');]
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ok, second part of my problem...

I thought I could still get it to work even without the patch, but no such luck. Not sure if my settings are correct but I installed the RSS in my footer, clicked on it and got this error message..

Code:
XML Parsing Error: xml declaration not at start of external entity
Location: http://barkandstuff.com/shop/index.php?main_page=rss_feed&feed=categories
Line Number 2, Column 1:<?xml version="1.0" encoding="iso-8859-1"?>

any help would be much appreciated.

Vicky