Answered Can`t make non-removable Administrator (Manage Users Problem)

<?php
/**
 * Loads the user list
 *
 * @package modx
 * @subpackage manager.controllers
 */
class SecurityUserManagerController extends modManagerController {
    /**
     * Check for any permissions or requirements to load page
     * @return bool
     */
    public function checkPermissions() {
        return $this->modx->hasPermission('edit_user');
    }

    /**
     * Register custom CSS/JS for the page
     * @return void
     */
    public function loadCustomCssJs() {
        $mgrUrl = $this->modx->getOption('manager_url',null,MODX_MANAGER_URL);
        $this->addJavascript($mgrUrl.'assets/modext/widgets/security/modx.grid.user.js');
        $this->addJavascript($mgrUrl.'assets/modext/sections/security/user/list.js');
        $this->addHtml("<script>
            Ext.onReady(function() {
                MODx.add('modx-page-users');
            });</script>");
    }

    /**
     * Custom logic code here for setting placeholders, etc
     * @param array $scriptProperties
     * @return mixed
		*/
    public function process(array $scriptProperties = array()) {}



    /**
     * Return the pagetitle
     *
     * @return string
*/
    public function getPageTitle() {
        return $this->modx->lexicon('users');
    }




    /**
     * Return the location of the template file
     * @return string
  */
    public function getTemplateFile() {
        return '';
    }


    /**
     * Specify the language topics to load

     * @return array
	 */
     
    public function getLanguageTopics() {
        return array('user');
    }


    /**
     * Get the Help URL
     * @return string
*/
    public function getHelpUrl() {
        return 'Users';
    }

}

$c->where(array('modUser.username:NOT LIKE' => 'Superadmin'));

$c->leftJoin('modUserProfile','Profile');