Index: includes/install.core.inc
===================================================================
RCS file: /cvs/drupal/drupal/includes/install.core.inc,v
retrieving revision 1.28
diff -u -p -r1.28 install.core.inc
--- includes/install.core.inc	1 Sep 2010 01:24:05 -0000	1.28
+++ includes/install.core.inc	9 Sep 2010 07:00:13 -0000
@@ -83,6 +83,9 @@ function install_drupal($settings = arra
     // When an installation error occurs, either send the error to the web
     // browser or pass on the exception so the calling script can use it.
     if ($install_state['interactive']) {
+      // Set a title to avoid drupal_get_title() hitting the menu system before
+      // installation has finished.
+      drupal_set_title(st('Errors during installation.'));
       install_display_output($e->getMessage(), $install_state);
     }
     else {