diff --git wp-admin/includes/plugin.php wp-admin/includes/plugin.php
index f305ef9..481e0b6 100644
--- wp-admin/includes/plugin.php
+++ wp-admin/includes/plugin.php
@@ -1413,10 +1413,10 @@ function get_admin_page_parent( $parent = '' ) {
 		foreach ( $submenu[$parent] as $submenu_array ) {
 			if ( isset( $_wp_real_parent_file[$parent] ) )
 				$parent = $_wp_real_parent_file[$parent];
-			if ( !empty($typenow) && ($submenu_array[2] == "$pagenow?post_type=$typenow") ) {
+			if ( !empty($typenow) && ( isset( $submenu_array[2] ) && $submenu_array[2] == "$pagenow?post_type=$typenow") ) {
 				$parent_file = $parent;
 				return $parent;
-			} elseif ( $submenu_array[2] == $pagenow && empty($typenow) && ( empty($parent_file) || false === strpos($parent_file, '?') ) ) {
+			} elseif ( isset( $submenu_array[2] ) && $submenu_array[2] == $pagenow && empty($typenow) && ( empty($parent_file) || false === strpos($parent_file, '?') ) ) {
 				$parent_file = $parent;
 				return $parent;
 			} else
diff --git wp-admin/index.php wp-admin/index.php
index dd429e7..3c7270d 100644
--- wp-admin/index.php
+++ wp-admin/index.php
@@ -76,9 +76,11 @@ if ( current_user_can( 'moderate_comments' ) )
 	$help .= '<p>' . __('<strong>Recent Comments</strong> - Shows the most recent comments on your posts (configurable, up to 30) and allows you to moderate them.') . '</p>';
 if ( current_user_can( 'publish_posts' ) )
 	$help .= '<p>' . __('<strong>Incoming Links</strong> - Shows links to your site found by Google Blog Search.') . '</p>';
-if ( current_user_can( get_post_type_object( 'post' )->cap->create_posts ) ) {
-	$help .= '<p>' . __('<strong>QuickPress</strong> - Allows you to create a new post and either publish it or save it as a draft.') . '</p>';
-	$help .= '<p>' . __('<strong>Recent Drafts</strong> - Displays links to the 5 most recent draft posts you&#8217;ve started.') . '</p>';
+if( post_type_exists( 'post ' ) ) {
+	if ( current_user_can( get_post_type_object( 'post' )->cap->create_posts ) ) {
+		$help .= '<p>' . __('<strong>QuickPress</strong> - Allows you to create a new post and either publish it or save it as a draft.') . '</p>';
+		$help .= '<p>' . __('<strong>Recent Drafts</strong> - Displays links to the 5 most recent draft posts you&#8217;ve started.') . '</p>';
+	}
 }
 $help .= '<p>' . __('<strong>WordPress Blog</strong> - Latest news from the official WordPress project.') . '</p>';
 $help .= '<p>' . __('<strong>Other WordPress News</strong> - Shows the <a href="http://planet.wordpress.org" target="_blank">WordPress Planet</a> feed. You can configure it to show a different feed of your choosing.') . '</p>';
diff --git wp-admin/menu.php wp-admin/menu.php
index 90c585d..fa7aa87 100644
--- wp-admin/menu.php
+++ wp-admin/menu.php
@@ -49,7 +49,10 @@ $menu[4] = array( '', 'read', 'separator1', '', 'wp-menu-separator' );
 $menu[5] = array( __('Posts'), 'edit_posts', 'edit.php', '', 'open-if-no-js menu-top menu-icon-post', 'menu-posts', 'none' );
 	$submenu['edit.php'][5]  = array( __('All Posts'), 'edit_posts', 'edit.php' );
 	/* translators: add new post */
-	$submenu['edit.php'][10]  = array( _x('Add New', 'post'), get_post_type_object( 'post' )->cap->create_posts, 'post-new.php' );
+	
+	if( post_type_exists( 'post' ) ) {
+		$submenu['edit.php'][10]  = array( _x('Add New', 'post'), get_post_type_object( 'post' )->cap->create_posts, 'post-new.php' );
+	}
 
 	$i = 15;
 	foreach ( get_taxonomies( array(), 'objects' ) as $tax ) {
diff --git wp-includes/admin-bar.php wp-includes/admin-bar.php
index 6af1021..87bfdb0 100644
--- wp-includes/admin-bar.php
+++ wp-includes/admin-bar.php
@@ -362,14 +362,16 @@ function wp_admin_bar_my_sites_menu( $wp_admin_bar ) {
 			'title'  => __( 'Dashboard' ),
 			'href'   => admin_url(),
 		) );
-
-		if ( current_user_can( get_post_type_object( 'post' )->cap->create_posts ) ) {
-			$wp_admin_bar->add_menu( array(
-				'parent' => $menu_id,
-				'id'     => $menu_id . '-n',
-				'title'  => __( 'New Post' ),
-				'href'   => admin_url( 'post-new.php' ),
-			) );
+		
+		if( post_type_exists( 'post' ) ) {
+			if ( current_user_can( get_post_type_object( 'post' )->cap->create_posts ) ) {
+				$wp_admin_bar->add_menu( array(
+					'parent' => $menu_id,
+					'id'     => $menu_id . '-n',
+					'title'  => __( 'New Post' ),
+					'href'   => admin_url( 'post-new.php' ),
+				) );
+			}
 		}
 
 		if ( current_user_can( 'edit_posts' ) ) {