Index: branches/version-2_12-dev/html/install/index.php
===================================================================
--- branches/version-2_12-dev/html/install/index.php	(revision 21445)
+++ branches/version-2_12-dev/html/install/index.php	(revision 21465)
@@ -28,6 +28,7 @@
 define('INSTALL_FUNCTION', true);
 define("INSTALL_INFO_URL", "http://www.ec-cube.net/install_info/index.php");
-require_once HTML_REALDIR . 'handle_error.php';
+while (@ob_end_flush());
 require_once HTML_REALDIR . HTML2DATA_DIR . 'require_base.php';
+ob_start();
 // ▲require.php 相当