Index: branches/unlabeled/unlabeled-1.155.2/core/kernel/application.php
===================================================================
diff -u -r5653 -r5661
--- branches/unlabeled/unlabeled-1.155.2/core/kernel/application.php	(.../application.php)	(revision 5653)
+++ branches/unlabeled/unlabeled-1.155.2/core/kernel/application.php	(.../application.php)	(revision 5661)
@@ -190,7 +190,7 @@
 		if($this->InitDone) return false;
 
 		ob_start(); // collect any output from method (other then tags) into buffer
-		
+
 		if(defined('DEBUG_MODE') && $this->isDebugMode() && constOn('DBG_PROFILE_MEMORY')) {
 			$this->Debugger->appendMemoryUsage('Application before Init:');
 		}
@@ -231,7 +231,7 @@
 			if ($level < 0 || $level > 9) $level = 7;
 			safeDefine('DBG_COMPRESSION_LEVEL', $level);
 		}
-		
+
 		$this->HttpQuery =& $this->recallObject('HTTPQuery');
 		$this->Session =& $this->recallObject('Session');
 
@@ -241,7 +241,7 @@
 
 		$this->LoadCache();
 		$this->InitConfig();
-		
+
 		// Module items are recalled during url parsing & PhrasesCache is needed already there,
 		// because it's used in their build events. That's why phrases cache initialization is
 		// called from kHTTPQuery in case when mod_rewrite is used
@@ -268,7 +268,7 @@
 		$this->HandleEvent( new kEvent('visits:OnRegisterVisit') );
 
 		$this->ValidateLogin();
-				
+
 		if($this->isDebugMode()) {
 			$this->Debugger->profileFinish('kernel4_startup');
 		}
@@ -686,14 +686,14 @@
 		}
 
 		//eval("?".">".$this->HTML);
-		
+
 		$this->HTML = ob_get_clean().$this->HTML;
 		if ($this->isDebugMode()) {
 			$this->HTML .= $this->Debugger->printReport(true);
 		}
-			
+
 		echo $this->UseOutputCompression() ? gzencode($this->HTML, DBG_COMPRESSION_LEVEL) : $this->HTML;
-		
+
 		$this->UpdateCache();
 
 		flush();
@@ -710,17 +710,18 @@
 		$session->SaveData();
 		//$this->SaveBlocksCache();
 	}
-	
+
 	/**
 	 * Checks if output compression options is available
 	 *
 	 * @return string
 	 */
 	function UseOutputCompression()
 	{
+		if (constOn('IS_INSTALL')) return false;
 		return $this->ConfigValue('UseOutputCompression') && function_exists('gzencode') && strstr($_SERVER['HTTP_ACCEPT_ENCODING'], 'gzip');
 	}
-	
+
 	function SaveBlocksCache()
 	{
 		/*if (constOn('EXPERIMENTAL_PRE_PARSE')) {
@@ -1392,7 +1393,7 @@
 
 		$buffer_content = ob_get_clean();
 		echo $this->UseOutputCompression() ? gzencode($buffer_content, DBG_COMPRESSION_LEVEL) : $buffer_content;
-		
+
 		$session =& $this->recallObject('Session');
 		$session->SaveData();
 		$this->SaveBlocksCache();
@@ -2094,14 +2095,14 @@
 		$target_zone = isset($time_zone) ? $time_zone : $this->ConfigValue('Config_Site_Time');
 		return 3600 * ($target_zone - $this->ConfigValue('Config_Server_Time'));
 	}
-	
+
 	function ApplicationDie($message = '')
 	{
 		$message = ob_get_clean().$message;
 		if ($this->isDebugMode()) {
 			$message .= $this->Debugger->printReport(true);
 		}
-			
+
 		echo $this->UseOutputCompression() ? gzencode($message, DBG_COMPRESSION_LEVEL) : $message;
 		exit;
 	}