Index: wp-settings.php
===================================================================
--- wp-settings.php	(revision 14325)
+++ wp-settings.php	(working copy)
@@ -56,8 +56,8 @@
 wp_debug_mode();
 
 // For an advanced caching plugin to use. Uses a static drop-in because you would only want one.
-if ( WP_CACHE )
-	@include( WP_CONTENT_DIR . '/advanced-cache.php' );
+if ( WP_CACHE && file_exists( WP_CONTENT_DIR . '/advanced-cache.php' )
+	include( WP_CONTENT_DIR . '/advanced-cache.php' );
 
 // Define WP_LANG_DIR if not set.
 wp_set_lang_dir();