Index: branches/RC/admin/index.php
===================================================================
diff -u -r8929 -r10304
--- branches/RC/admin/index.php	(.../index.php)	(revision 8929)
+++ branches/RC/admin/index.php	(.../index.php)	(revision 10304)
@@ -1,42 +1,46 @@
 <?php
 
-$start = getmicrotime();
+	$start = getmicrotime();
 
-define('ADMIN', 1);
-define('FULL_PATH', realpath(dirname(__FILE__).'/..') );
-if (!file_exists(FULL_PATH.'/core/kernel/application.php')) {
-	die('Please re-checkout _inportal_kernel4 cvs module into the root directory ('.FULL_PATH.') and remove kernel/kernel4 folder. Make sure to checkout correct branch (RC or HEAD).');
-}
-include_once(FULL_PATH.'/core/kernel/startup.php');
+	define('ADMIN', 1);
+	define('FULL_PATH', realpath(dirname(__FILE__).'/..') );
+	if (!file_exists(FULL_PATH.'/core/kernel/application.php')) {
+		die('Please re-checkout _inportal_kernel4 cvs module into the root directory ('.FULL_PATH.') and remove kernel/kernel4 folder. Make sure to checkout correct branch (RC or HEAD).');
+	}
 
-/*
-	kApplication $application
-*/
-$application =& kApplication::Instance();
-$application->Init();
-$application->Run();
-$application->Done();
+	include_once(FULL_PATH.'/core/kernel/startup.php');
 
-$end = getmicrotime();
+	if (DIRECTORY_SEPARATOR != '\\') {
+		// force user to remove write permissions for important files (Linux only)
+		if (check_write_permissions(FULL_PATH.'/config.php') || check_write_permissions(FULL_PATH)) {
+			die('Please remove write permissions from "config.php" file and root website folder.');
+		}
+	}
 
-function getmicrotime()
-{
-    list($usec, $sec) = explode(" ", microtime());
-    return ((float)$usec + (float)$sec);
-}
+	$application =& kApplication::Instance();
+	$application->Init();
+	$application->Run();
+	$application->Done();
 
-//update_memory_check_script();
+	$end = getmicrotime();
 
-function update_memory_check_script() {
-	$files = get_included_files();
-	$script = '$files = Array('."\n";
-	foreach ($files as $file_name) {
-		$script .= "\t\t'".str_replace(FULL_PATH, '', $file_name)."',\n";
+	function getmicrotime()
+	{
+	    list($usec, $sec) = explode(" ", microtime());
+	    return ((float)$usec + (float)$sec);
 	}
-	$script .= ");\n";
-	echo "<pre>";
-	echo $script;
-	echo "</pre>";
-}
 
+	//update_memory_check_script();
+
+	function update_memory_check_script() {
+		$files = get_included_files();
+		$script = '$files = Array('."\n";
+		foreach ($files as $file_name) {
+			$script .= "\t\t'".str_replace(FULL_PATH, '', $file_name)."',\n";
+		}
+		$script .= ");\n";
+		echo "<pre>";
+		echo $script;
+		echo "</pre>";
+	}
 ?>
\ No newline at end of file
Index: branches/RC/admin/install/upgrades/inportal_upgrade_v4.3.0.php
===================================================================
diff -u
--- branches/RC/admin/install/upgrades/inportal_upgrade_v4.3.0.php	(revision 0)
+++ branches/RC/admin/install/upgrades/inportal_upgrade_v4.3.0.php	(revision 10304)
@@ -0,0 +1,11 @@
+<?php
+	$application =& kApplication::Instance();
+
+	if ($application->ConfigValue('InstallFinished') === false) {
+		$fields_hash = Array (
+			'VariableName'	=>	'InstallFinished',
+			'VariableValue'	=>	1,
+		);
+		$application->Conn->doInsert($fields_hash, TABLE_PREFIX.'ConfigurationValues');
+	}
+?>
\ No newline at end of file
Index: branches/RC/core/kernel/utility/debugger.php
===================================================================
diff -u -r10098 -r10304
--- branches/RC/core/kernel/utility/debugger.php	(.../debugger.php)	(revision 10098)
+++ branches/RC/core/kernel/utility/debugger.php	(.../debugger.php)	(revision 10304)
@@ -1156,7 +1156,8 @@
 
 						case 'PROFILE_T': // profile total
 							$record_cell = '<td>';
-							$ret .= '<tr>'.$record_cell.$title.':</td>'.$record_cell.'<b>'.sprintf('%.5f', $this->ProfilerTotals[$record_data]).' s</b></td></tr>';
+							$total = array_key_exists($record_data, $this->ProfilerTotals) ? $this->ProfilerTotals[$record_data] : 0;
+							$ret .= '<tr>'.$record_cell.$title.':</td>'.$record_cell.'<b>'.sprintf('%.5f', $total).' s</b></td></tr>';
 							break;
 
 						case 'SEP':
Index: branches/RC/admin/install.php
===================================================================
diff -u -r10238 -r10304
--- branches/RC/admin/install.php	(.../install.php)	(revision 10238)
+++ branches/RC/admin/install.php	(.../install.php)	(revision 10304)
@@ -1493,7 +1493,7 @@
         $ado =& inst_GetADODBConnection();
         require_once $pathtoroot.'kernel/include/tag-class.php';
         if( !isset($objTagList) || !is_object($objTagList) ) $objTagList = new clsTagList();
-        
+
         // TODO: make possible to define module install order (e.g. via special order file in module directory, because db info is not available before module is installed)
         $ebay_key = array_search('in-auction', $doms);
         if ($ebay_key !== false) {
@@ -1720,6 +1720,14 @@
 	$ado->Execute("DROP TABLE IF EXISTS $EventTable");
 	$ado->Execute('INSERT INTO '.$g_TablePrefix.'Cache (VarName, Data) VALUES (\'ForcePermCacheUpdate\', \'1\')');
 
+	if ($application->ConfigValue('InstallFinished') === false) {
+		$fields_hash = Array (
+			'VariableName'	=>	'InstallFinished',
+			'VariableValue'	=>	1,
+		);
+		$application->Conn->doInsert($fields_hash, TABLE_PREFIX.'ConfigurationValues');
+	}
+
 	$include_file = $pathtoroot.$admin."/install/install_finish.php";
 }
 
Index: branches/RC/core/install.php
===================================================================
diff -u -r10098 -r10304
--- branches/RC/core/install.php	(.../install.php)	(revision 10098)
+++ branches/RC/core/install.php	(.../install.php)	(revision 10304)
@@ -669,7 +669,12 @@
 		function AlreadyInstalled()
 		{
 			$table_prefix = $this->systemConfig['Database']['TablePrefix'];
-			return $this->TableExists('ConfigurationValues') && $this->Conn->GetOne('SELECT VariableValue FROM '.$table_prefix.'ConfigurationValues WHERE VariableName = \'InstallFinished\'');
+
+			$sql = 'SELECT VariableValue
+					FROM '.$table_prefix.'ConfigurationValues
+					WHERE VariableName = "InstallFinished"';
+
+			return $this->TableExists('ConfigurationValues') && $this->Conn->GetOne($sql);
 		}
 
 		function CheckDatabase($check_installed = true)
Index: branches/RC/core/kernel/globals.php
===================================================================
diff -u -r10098 -r10304
--- branches/RC/core/kernel/globals.php	(.../globals.php)	(revision 10098)
+++ branches/RC/core/kernel/globals.php	(.../globals.php)	(revision 10304)
@@ -601,6 +601,18 @@
 		return $headers;
 	}
 
+	/**
+	 * Checks that file is writable by group or others
+	 *
+	 * @param string $file
+	 * @return boolean
+	 */
+	function check_write_permissions($file)
+	{
+		$permissions = fileperms($file);
+		return $permissions & 0x0010 || $permissions & 0x0002;
+	}
+
 	if (!function_exists('easter_date')) {
 		// calculates easter date, when calendar extension not installed in php
 		// see also: http://php.prod.intechnic.lv/manual/en/function.easter-date.php