Download and execute the following script in your OpenCart installation directory.
Alternatively, apply the following permissions manually:
chmod 0644 admin/language/english/module/searchanise.php chmod 0644 admin/controller/module/searchanise.php chmod 0644 admin/model/module/searchanise.php chmod 0644 admin/view/stylesheet/searchanise_style.css chmod 0644 admin/view/template/module/searchanise.tpl chmod 0644 catalog/language/english/module/searchanise.php chmod 0644 catalog/controller/module/searchanise.php chmod 0644 catalog/model/module/searchanise.php chmod 0644 catalog/view/theme/default/template/module/searchanise.tpl chmod 0644 system/library/searchanise.php chmod 0644 system/library/http.php chmod 0644 vqmod/xml/se_admin_controller_sale__customer_group.xml chmod 0644 vqmod/xml/se_catalog_model_checkout__order.xml chmod 0644 vqmod/xml/se_admin_controller_setting__store.xml chmod 0644 vqmod/xml/se_admin_controller_common__header.xml chmod 0644 vqmod/xml/se_catalog_controller_common__header.xml chmod 0644 vqmod/xml/se_catalog_model_catalog__product.xml chmod 0644 vqmod/xml/se_admin_controller_localisation__language.xml chmod 0644 vqmod/xml/se_admin_model_catalog__product.xml chmod 0644 vqmod/xml/se_admin_view_template_setting__store_list.xml chmod 0644 vqmod/xml/se_admin_view_template_localisation__language_list.xml chmod 0644 vqmod/xml/se_catalog_controller_product__search.xml chmod 0644 vqmod/xml/se_system__startup.xml chmod 0644 vqmod/xml/se_admin_view_template_sale__customer_group_list.xml chmod 0644 vqmod/xml/se_admin_view_template_common__header.xml chmod 0644 vqmod/xml/se_catalog_view_theme_default_template_product__search.xml chmod 0644 vqmod/xml/se_admin_model_catalog__review.xml