Index: branches/5.2.x/core/kernel/managers/url_manager.php
===================================================================
diff -u -N -r15543 -r15727
--- branches/5.2.x/core/kernel/managers/url_manager.php	(.../url_manager.php)	(revision 15543)
+++ branches/5.2.x/core/kernel/managers/url_manager.php	(.../url_manager.php)	(revision 15727)
@@ -1,6 +1,6 @@
 <?php
 /**
-* @version	$Id: url_manager.php 15543 2012-09-21 15:37:52Z alex $
+* @version	$Id: url_manager.php 15727 2013-04-10 18:04:16Z alex $
 * @package	In-Portal
 * @copyright	Copyright (C) 1997 - 2010 Intechnic. All rights reserved.
 * @license      GNU/GPL
@@ -484,4 +484,24 @@
 
 		return $vars;
 	}
+
+	/**
+	 * Show 404 page and exit
+	 *
+	 * @return void
+	 * @access public
+	 */
+	public function show404()
+	{
+		$vars = $this->prepare404();
+
+		foreach ($vars as $var_name => $var_value) {
+			$this->Application->SetVar($var_name, $var_value);
+		}
+
+		// ensure parser is available (e.g. 404 page requested from event)
+		$this->Application->QuickRun();
+		$this->Application->Done();
+		exit;
+	}
 }
\ No newline at end of file
Index: branches/5.2.x/core/kernel/db/dblist.php
===================================================================
diff -u -N -r15464 -r15727
--- branches/5.2.x/core/kernel/db/dblist.php	(.../dblist.php)	(revision 15464)
+++ branches/5.2.x/core/kernel/db/dblist.php	(.../dblist.php)	(revision 15727)
@@ -1,6 +1,6 @@
 <?php
 /**
-* @version	$Id: dblist.php 15464 2012-07-19 15:53:30Z alex $
+* @version	$Id: dblist.php 15727 2013-04-10 18:04:16Z alex $
 * @package	In-Portal
 * @copyright	Copyright (C) 1997 - 2009 Intechnic. All rights reserved.
 * @license      GNU/GPL
@@ -511,10 +511,10 @@
 		$this->Records = $this->Conn->Query($sql);
 
 		if (!$this->Records && ($this->Page > 1)) {
-			// no records & page > 1, try to reset to 1st page (works only when list in not counted before)
-			$this->Application->StoreVar($this->getPrefixSpecial() . '_Page', 1, true);
-			$this->SetPage(1);
-			$this->Query($force);
+			// no records & page > 1, show 404 page
+			trigger_error('Unknown page <strong>' . $this->Page . '</strong> in <strong>' . $this->getPrefixSpecial() . '</strong> list, leading to "404 Not Found"', E_USER_NOTICE);
+
+			$this->Application->UrlManager->show404();
 		}
 
 		$this->SelectedCount = count($this->Records);
Index: branches/5.2.x/core/kernel/application.php
===================================================================
diff -u -N -r15710 -r15727
--- branches/5.2.x/core/kernel/application.php	(.../application.php)	(revision 15710)
+++ branches/5.2.x/core/kernel/application.php	(.../application.php)	(revision 15727)
@@ -1,6 +1,6 @@
 <?php
 /**
-* @version	$Id: application.php 15710 2013-03-15 16:14:27Z alex $
+* @version	$Id: application.php 15727 2013-04-10 18:04:16Z alex $
 * @package	In-Portal
 * @copyright	Copyright (C) 1997 - 2009 Intechnic. All rights reserved.
 * @license      GNU/GPL
@@ -1105,8 +1105,12 @@
 	 */
 	public function QuickRun()
 	{
+		// discard any half-parsed content
+		ob_clean();
+
+		// replace current page content with 404
 		$this->InitParser();
-		$this->HTML = $this->ParseBlock(Array ('name' => $this->GetVar('t')));
+		$this->HTML = $this->Parser->Run($this->GetVar('t'));
 	}
 
 	/**
Index: branches/5.2.x/core/kernel/db/db_event_handler.php
===================================================================
diff -u -N -r15608 -r15727
--- branches/5.2.x/core/kernel/db/db_event_handler.php	(.../db_event_handler.php)	(revision 15608)
+++ branches/5.2.x/core/kernel/db/db_event_handler.php	(.../db_event_handler.php)	(revision 15727)
@@ -1,6 +1,6 @@
 <?php
 /**
-* @version	$Id: db_event_handler.php 15608 2012-11-06 17:21:28Z alex $
+* @version	$Id: db_event_handler.php 15727 2013-04-10 18:04:16Z alex $
 * @package	In-Portal
 * @copyright	Copyright (C) 1997 - 2009 Intechnic. All rights reserved.
 * @license      GNU/GPL
@@ -539,16 +539,7 @@
 
 			trigger_error('ItemLoad Permission Failed for prefix [' . $event->getPrefixSpecial() . '] in <strong>checkItemStatus</strong>, leading to "404 Not Found"', E_USER_NOTICE);
 
-			$vars = $this->Application->UrlManager->prepare404();
-
-			foreach ($vars as $var_name => $var_value) {
-				$this->Application->SetVar($var_name, $var_value);
-			}
-
-			// in case if missing item is recalled first from event (not from template)
-			$this->Application->QuickRun();
-			$this->Application->Done();
-			exit;
+			$this->Application->UrlManager->show404();
 		}
 
 		/**