Index: branches/5.2.x/core/kernel/application.php
===================================================================
diff -u -N -r16377 -r16413
--- branches/5.2.x/core/kernel/application.php	(.../application.php)	(revision 16377)
+++ branches/5.2.x/core/kernel/application.php	(.../application.php)	(revision 16413)
@@ -1,6 +1,6 @@
 <?php
 /**
-* @version	$Id: application.php 16377 2016-07-25 08:45:19Z alex $
+* @version	$Id: application.php 16413 2016-11-13 20:06:29Z alex $
 * @package	In-Portal
 * @copyright	Copyright (C) 1997 - 2009 Intechnic. All rights reserved.
 * @license      GNU/GPL
@@ -629,7 +629,7 @@
 		$currency_iso = $this->getCache($cache_key);
 
 		if ( $currency_iso === false ) {
-			if ( $this->isModuleEnabled('In-Commerce') ) {
+			if ( $this->prefixRegistred('curr') ) {
 				$this->Conn->nextQueryCachable = true;
 				$currency_id = $this->siteDomainField('PrimaryCurrencyId');
 
Index: branches/5.2.x/index.php
===================================================================
diff -u -N -r16411 -r16413
--- branches/5.2.x/index.php	(.../index.php)	(revision 16411)
+++ branches/5.2.x/index.php	(.../index.php)	(revision 16413)
@@ -1,6 +1,6 @@
 <?php
 /**
-* @version	$Id: index.php 16411 2016-11-13 20:00:18Z alex $
+* @version	$Id: index.php 16413 2016-11-13 20:06:29Z alex $
 * @package	In-Portal
 * @copyright	Copyright (C) 1997 - 2009 Intechnic. All rights reserved.
 * @license      GNU/GPL
Index: branches/5.2.x/core/units/categories/categories_tag_processor.php
===================================================================
diff -u -N -r16409 -r16413
--- branches/5.2.x/core/units/categories/categories_tag_processor.php	(.../categories_tag_processor.php)	(revision 16409)
+++ branches/5.2.x/core/units/categories/categories_tag_processor.php	(.../categories_tag_processor.php)	(revision 16413)
@@ -1,6 +1,6 @@
 <?php
 /**
-* @version	$Id: categories_tag_processor.php 16409 2016-11-13 19:43:27Z alex $
+* @version	$Id: categories_tag_processor.php 16413 2016-11-13 20:06:29Z alex $
 * @package	In-Portal
 * @copyright	Copyright (C) 1997 - 2011 Intechnic. All rights reserved.
 * @license      GNU/GPL
@@ -1402,7 +1402,7 @@
 		$default = isset($params['default']) ? $params['default'] : '';
 		$val = $page->GetField($db_field);
 		if (!$default) {
-			if ($this->Application->isModuleEnabled('In-Portal')) {
+			if ( $this->Application->prefixRegistred('c') ) {
 				if (!$val && ($params['type'] == 'meta_keywords' || $params['type'] == 'meta_description')) {
 					// take category meta if it's not set for the page
 					return $this->Application->ProcessParsedTag('c', 'Meta', Array('name' => $cat_field));