// Fixed deleteDirectory function (is_dir is cached and must not be used, because use the result of scandir)

classes/Tools.php

@@ -669,8 +669,7 @@ class ToolsCore
 	public static function deleteDirectory($dirname, $delete_self = true)
 	{
 		$dirname = rtrim($dirname, '/').'/';
-		$files = scandir($dirname);
-		if (is_dir($dirname))
+		if ($files = scandir($dirname))
 		{
 			foreach ($files as $file)
 			if ($file != '.' && $file != '..' && $file != '.svn')

controllers/admin/AdminTranslationsController.php

@@ -655,9 +655,8 @@ class AdminTranslationsControllerCore extends AdminController
 						elseif (!preg_match('@^[0-9a-z-_/\\\\]+\.(html|tpl|txt)$@i', $file2check['filename']))
 							$this->errors[] = sprintf(Tools::displayError('Unidentified file found: %s'), $file2check['filename']);
 					}
-					
+					Tools::deleteDirectory($sandbox, true);
 				}
-				Tools::deleteDirectory($sandbox, true);
 				
 				if (count($this->errors))
 					return false;