Index: trunk/core/kernel/event_manager.php
===================================================================
diff -u -N -r4802 -r4845
--- trunk/core/kernel/event_manager.php	(.../event_manager.php)	(revision 4802)
+++ trunk/core/kernel/event_manager.php	(.../event_manager.php)	(revision 4845)
@@ -437,6 +437,7 @@
 		 */
 		function RunRegularEvents($event_type = reBEFORE, $from_cron=false)
 		{
+			if (defined('IS_INSTALL')) return ;
 			// if RegularEvents are set to run from cron
 			if (!$from_cron && $this->Application->ConfigValue('UseCronForRegularEvent')) return ;
 			$events_source = ($event_type == reBEFORE) ? $this->beforeRegularEvents : $this->afterRegularEvents;