? sites/default/files
? sites/default/settings.php
Index: modules/node/node.module
===================================================================
RCS file: /cvs/drupal/drupal/modules/node/node.module,v
retrieving revision 1.947.2.26
diff -u -p -r1.947.2.26 node.module
--- modules/node/node.module	6 Aug 2010 11:41:13 -0000	1.947.2.26
+++ modules/node/node.module	24 Oct 2010 01:28:52 -0000
@@ -968,6 +968,7 @@ function node_delete($nid) {
   if (node_access('delete', $node)) {
     db_query('DELETE FROM {node} WHERE nid = %d', $node->nid);
     db_query('DELETE FROM {node_revisions} WHERE nid = %d', $node->nid);
+    db_query('DELETE FROM {node_access} WHERE nid = %d', $node->nid);
 
     // Call the node-specific callback (if any):
     node_invoke($node, 'delete');
Index: modules/system/system.install
===================================================================
RCS file: /cvs/drupal/drupal/modules/system/system.install,v
retrieving revision 1.238.2.24
diff -u -p -r1.238.2.24 system.install
--- modules/system/system.install	6 Aug 2010 10:54:12 -0000	1.238.2.24
+++ modules/system/system.install	24 Oct 2010 01:28:52 -0000
@@ -2710,6 +2710,15 @@ function system_update_6055() {
 }
 
 /**
+ * Remove entries in the node_access table for nodes that have been deleted.
+ */
+function system_update_6056() {
+  $ret = array();
+  db_query('DELETE FROM {node_access} WHERE nid NOT IN (SELECT nid FROM {node})');
+  return $ret;
+}
+
+/**
  * @} End of "defgroup updates-6.x-extra"
  * The next series of updates should start at 7000.
  */