SOLVED: Installation Errors J2.5

When installing the latest version for JOOMLA 2.5 (com_sh404sef_3.4.5.1255) I get he following errors:

        Another menu item with the same parent has this alias
        Error building Admin Menus
        JInstaller: :Install: Cannot find XML setup file
        Unable to detect manifest file

        Error installing sh404sef plugin: system / shjlang16
        Error installing sh404sef plugin from shjlang16
        Error while upgrading the database : Table \'thestara_J25ArtasMicro.d5ins_sh404sef_metas\' doesn\'t exist SQL=alter table `d5ins_sh404sef_metas`add `canonical` varchar(255) default \'\', add `og_enable` tinyint(3) NOT NULL DEFAULT \'2\', add `og_type` varchar(30) default \'\', add `og_image` varchar(255) default \'\', add `og_enable_description` tinyint(3) NOT NULL DEFAULT \'2\', add `og_enable_site_name` tinyint(3) NOT NULL DEFAULT \'2\', add `og_site_name` varchar(255) default \'\', add `fb_admin_ids` varchar(255) default \'\', add `og_enable_location` tinyint(3) NOT NULL DEFAULT \'2\', add `og_latitude` varchar(30) default \'\', add `og_longitude` varchar(30) default \'\', add `og_street_address` varchar(255) default \'\', add `og_locality` varchar(255) default \'\', add `og_postal_code` varchar(30) default \'\', add `og_region` varchar(255) default \'\', add `og_country_name` varchar(255) default \'\', add `og_enable_contact` tinyint(3) NOT NULL DEFAULT \'2\', add `og_email` varchar(255) default \'\', add `og_phone_number` varchar(255) default \'\', add `og_fax_number` varchar(255) default \'\', add `og_enable_fb_admin_ids` tinyint(3) NOT NULL DEFAULT \'2\'. Sh404SEF will probably not operate properly. Please uninstall it, then try again after checking your database server setup. Contact us in case this happens again.
        Installing component was successful.

Please Help ASAP!!!