Index: branches/RC/core/install.php
===================================================================
diff -u -N -r9988 -r10098
--- branches/RC/core/install.php	(.../install.php)	(revision 9988)
+++ branches/RC/core/install.php	(.../install.php)	(revision 10098)
@@ -125,7 +125,7 @@
 		 * @var string
 		 */
 		var $baseURL = '';
-		
+
 		/**
 		 * Holds number of last executed query in the SQL
 		 *
@@ -345,7 +345,7 @@
 					if ($password != $password_verify) {
 						$this->errorMessage = 'Passwords does not match';
 					}
-					elseif (strlen($password) < 4) {
+					elseif (mb_strlen($password) < 4) {
 						$this->errorMessage = 'Root Password must be at least 4 characters';
 					}
 
@@ -629,7 +629,7 @@
 
 		function GetMaxModuleVersion($module_name)
 		{
-			$upgrades_file = sprintf(UPGRADES_FILE, strtolower($module_name).'/', 'sql');
+			$upgrades_file = sprintf(UPGRADES_FILE, mb_strtolower($module_name).'/', 'sql');
 			if (!file_exists($upgrades_file)) {
 				// no upgrade file
 				return '4.0.1';
@@ -679,7 +679,7 @@
 			// 2. user has all types of permissions in database
 
 
-			if (strlen($this->systemConfig['Database']['TablePrefix']) > 7) {
+			if (mb_strlen($this->systemConfig['Database']['TablePrefix']) > 7) {
 				$this->errorMessage = 'Table prefix should not be longer than 7 characters';
 				return false;
 			}
@@ -1114,7 +1114,7 @@
 					//echo $line . " - ";
 					if(eregi('^[[a-z]+]$',str_replace(' ', '', $line))) {
 						//echo 'section';
-						$section = substr($line, 1, (strlen($line) - 2));
+						$section = mb_substr($line, 1, (mb_strlen($line) - 2));
 						if ($parse_section) {
 							$retval[$section] = array();
 						}