diff --git a/wp-admin/includes/dashboard.php b/wp-admin/includes/dashboard.php
index 889d342998..66eb555c0e 100644
--- a/wp-admin/includes/dashboard.php
+++ b/wp-admin/includes/dashboard.php
@@ -387,7 +387,11 @@ function wp_dashboard_right_now() {
 	$ct = current_theme_info();
 
 	echo "\n\t<p>";
-	if ( !empty($wp_registered_sidebars) ) {
+
+	if ( empty( $ct->stylesheet_dir ) ) {
+		if ( ! is_multisite() || is_super_admin() )
+			echo '<span class="error-message">' . __('ERROR: The themes directory is either empty or doesn&#8217;t exist. Please check your installation.') . '</span>';
+	} elseif ( ! empty($wp_registered_sidebars) ) {
 		$sidebars_widgets = wp_get_sidebars_widgets();
 		$num_widgets = 0;
 		foreach ( (array) $sidebars_widgets as $k => $v ) {
diff --git a/wp-admin/includes/theme.php b/wp-admin/includes/theme.php
index f645d4408f..7cb5dc4a35 100644
--- a/wp-admin/includes/theme.php
+++ b/wp-admin/includes/theme.php
@@ -16,10 +16,18 @@
 function current_theme_info() {
 	$themes = get_themes();
 	$current_theme = get_current_theme();
+
+	if ( ! $themes ) {
+		$ct = new stdClass;
+		$ct->name = $current_theme;
+		return $ct;
+	}
+
 	if ( ! isset( $themes[$current_theme] ) ) {
 		delete_option( 'current_theme' );
 		$current_theme = get_current_theme();
 	}
+
 	$ct = new stdClass;
 	$ct->name = $current_theme;
 	$ct->title = $themes[$current_theme]['Title'];
diff --git a/wp-includes/theme.php b/wp-includes/theme.php
index bca713427d..c76414ac23 100644
--- a/wp-includes/theme.php
+++ b/wp-includes/theme.php
@@ -518,12 +518,13 @@ function get_current_theme() {
 		return $theme;
 
 	$themes = get_themes();
-	$theme_names = array_keys($themes);
-	$current_template = get_option('template');
-	$current_stylesheet = get_option('stylesheet');
-	$current_theme = 'Twenty Ten';
+	$current_theme = 'Twenty Eleven';
 
 	if ( $themes ) {
+		$theme_names = array_keys( $themes );
+		$current_template = get_option( 'template' );
+		$current_stylesheet = get_option( 'stylesheet' );
+
 		foreach ( (array) $theme_names as $theme_name ) {
 			if ( $themes[$theme_name]['Stylesheet'] == $current_stylesheet &&
 					$themes[$theme_name]['Template'] == $current_template ) {