Index: trunk/core/kernel/startup.php
===================================================================
diff -u -N -r3576 -r3863
--- trunk/core/kernel/startup.php	(.../startup.php)	(revision 3576)
+++ trunk/core/kernel/startup.php	(.../startup.php)	(revision 3863)
@@ -27,9 +27,7 @@
 		global $rootURL;
 		echo 'In-Portal is probably not installed, or configuration file is missing.<br>';
 		echo 'Please use the installation script to fix the problem.<br><br>';
-		if ( !preg_match('/admin/', __FILE__) ) $ins = '/admin';
-
-		echo '<a href="'.PROTOCOL.SERVER_NAME.BASE_PATH.$ins.'/install.php">Go to installation script</a><br><br>';
+		echo '<a href="'.PROTOCOL.SERVER_NAME.rtrim(BASE_PATH, '/').'/admin/install.php">Go to installation script</a><br><br>';
 		flush();
 		exit;
 	}