Update instructions for updating Header Tags SEO version 3.0.2 to
Header Tags SEO V 3.0.3 by Jack_mcs

1) Upload the following files:

admin/header_tags_fill_tags.php

2) In admin/categories.php

Around line 79:

REPLACE:
           'categories_htc_title_tag' => (tep_not_null($categories_htc_title_array[$language_id]) ? tep_db_prepare_input($categories_htc_title_array[$language_id]) :  tep_db_prepare_input($categories_name_array[$language_id])),
           'categories_htc_desc_tag' => (tep_not_null($categories_htc_desc_array[$language_id]) ? tep_db_prepare_input($categories_htc_desc_array[$language_id]) :  tep_db_prepare_input($categories_name_array[$language_id])),
           'categories_htc_keywords_tag' => (tep_not_null($categories_htc_keywords_array[$language_id]) ? tep_db_prepare_input($categories_htc_keywords_array[$language_id]) :  tep_db_prepare_input($categories_name_array[$language_id])),

WITH:
           'categories_htc_title_tag' => (tep_not_null($categories_htc_title_array[$language_id]) ? tep_db_prepare_input(strip_tags($categories_htc_title_array[$language_id])) :  tep_db_prepare_input(strip_tags($categories_name_array[$language_id]))),
           'categories_htc_desc_tag' => (tep_not_null($categories_htc_desc_array[$language_id]) ? tep_db_prepare_input($categories_htc_desc_array[$language_id]) :  tep_db_prepare_input($categories_name_array[$language_id])),
           'categories_htc_keywords_tag' => (tep_not_null($categories_htc_keywords_array[$language_id]) ? tep_db_prepare_input(strip_tags($categories_htc_keywords_array[$language_id])) :  tep_db_prepare_input(strip_tags($categories_name_array[$language_id]))),

Around line 269:

REPLACE:
                                    'products_head_title_tag' => ((tep_not_null($HTTP_POST_VARS['products_head_title_tag'][$language_id])) ? tep_db_prepare_input($HTTP_POST_VARS['products_head_title_tag'][$language_id]) : tep_db_prepare_input($HTTP_POST_VARS['products_name'][$language_id])),
                                    'products_head_desc_tag' => ((tep_not_null($HTTP_POST_VARS['products_head_desc_tag'][$language_id])) ? tep_db_prepare_input($HTTP_POST_VARS['products_head_desc_tag'][$language_id]) : tep_db_prepare_input($HTTP_POST_VARS['products_name'][$language_id])),
                                    'products_head_keywords_tag' => ((tep_not_null($HTTP_POST_VARS['products_head_keywords_tag'][$language_id])) ? tep_db_prepare_input($HTTP_POST_VARS['products_head_keywords_tag'][$language_id]) : tep_db_prepare_input($HTTP_POST_VARS['products_name'][$language_id])));

WITH:
                                    'products_head_title_tag' => ((tep_not_null($HTTP_POST_VARS['products_head_title_tag'][$language_id])) ? tep_db_prepare_input(strip_tags($HTTP_POST_VARS['products_head_title_tag'][$language_id])) : tep_db_prepare_input(strip_tags($HTTP_POST_VARS['products_name'][$language_id]))),
                                    'products_head_desc_tag' => ((tep_not_null($HTTP_POST_VARS['products_head_desc_tag'][$language_id])) ? tep_db_prepare_input($HTTP_POST_VARS['products_head_desc_tag'][$language_id]) : tep_db_prepare_input($HTTP_POST_VARS['products_name'][$language_id])),
                                    'products_head_keywords_tag' => ((tep_not_null($HTTP_POST_VARS['products_head_keywords_tag'][$language_id])) ? tep_db_prepare_input(strip_tags($HTTP_POST_VARS['products_head_keywords_tag'][$language_id])) : tep_db_prepare_input(strip_tags($HTTP_POST_VARS['products_name'][$language_id]))));

3) In admin/manufacturers.php

Around line 58:

REPLACE:
           'manufacturers_htc_title_tag' => (tep_not_null($manufacturers_htc_title_array[$language_id]) ? tep_db_prepare_input($manufacturers_htc_title_array[$language_id]) : $manufacturers_name),
           'manufacturers_htc_desc_tag' => (tep_not_null($manufacturers_htc_desc_array[$language_id]) ? tep_db_prepare_input($manufacturers_htc_desc_array[$language_id]) : $manufacturers_name),
           'manufacturers_htc_keywords_tag' => (tep_not_null($manufacturers_htc_keywords_array[$language_id]) ? tep_db_prepare_input($manufacturers_htc_keywords_array[$language_id]) : $manufacturers_name),

WITH:
           'manufacturers_htc_title_tag' => (tep_not_null($manufacturers_htc_title_array[$language_id]) ? tep_db_prepare_input(strip_tags($manufacturers_htc_title_array[$language_id])) : strip_tags($manufacturers_name)),
           'manufacturers_htc_desc_tag' => (tep_not_null($manufacturers_htc_desc_array[$language_id]) ? tep_db_prepare_input($manufacturers_htc_desc_array[$language_id]) : $manufacturers_name),
           'manufacturers_htc_keywords_tag' => (tep_not_null($manufacturers_htc_keywords_array[$language_id]) ? tep_db_prepare_input(strip_tags($manufacturers_htc_keywords_array[$language_id])) : strip_tags($manufacturers_name)),