diff --git a/e107_handlers/e107_class.php b/e107_handlers/e107_class.php
index 2e6ea2763..c5b93dade 100644
--- a/e107_handlers/e107_class.php
+++ b/e107_handlers/e107_class.php
@@ -3831,6 +3831,8 @@ class e107
 			  || ($isPluginDir && (strpos(e_PAGE,'_admin.php') !== false || strpos(e_PAGE,'admin_') === 0 || strpos($e107Path, 'admin/') !== FALSE)) // Plugin admin file or directory
 			  || (vartrue($eplug_admin) || deftrue('ADMIN_AREA'))		// Admin forced
 			  || (preg_match('/^\/(.*?)\/user(settings\.php|\/edit)(\?|\/)(\d+)$/i', $_SERVER['REQUEST_URI']) && ADMIN)
+			  || ($isPluginDir && e_PAGE == 'prefs.php') //BC Fix for old plugins
+			  || ($isPluginDir && e_PAGE == 'config.php') // BC Fix for old plugins
 			)
 		{
 			$inAdminDir = TRUE;
diff --git a/e107_handlers/plugin_class.php b/e107_handlers/plugin_class.php
index e2b764176..a4ae32611 100644
--- a/e107_handlers/plugin_class.php
+++ b/e107_handlers/plugin_class.php
@@ -3171,6 +3171,8 @@ class e107plugin
 	{
 		$tp = e107::getParser();
 
+		$PLUGINS_FOLDER = '{e_PLUGIN}'; // Could be used in plugin.php file.
+
 		$eplug_conffile     = null;
 		$eplug_table_names  = null;
 		$eplug_prefs        = null;
diff --git a/e107_plugins/_blank/_blank_setup.php b/e107_plugins/_blank/_blank_setup.php
index 0e78d37e7..d435b0a7e 100644
--- a/e107_plugins/_blank/_blank_setup.php
+++ b/e107_plugins/_blank/_blank_setup.php
@@ -10,75 +10,79 @@
 **
 */
 
-class _blank_setup
+
+if(!class_exists("_blank_setup"))
 {
-	
- 	function install_pre($var)
+	class _blank_setup
 	{
-		// print_a($var);
-		// echo "custom install 'pre' function<br /><br />";
-	}
 
-	/**
-	 * For inserting default database content during install after table has been created by the blank_sql.php file. 
-	 */
-	function install_post($var)
-	{
-		$sql = e107::getDb();
-		$mes = e107::getMessage();
-		
-		$e107_blank = array(
-			'blank_id'				=>'1',
-			'blank_icon'			=>'{e_PLUGIN}_blank/images/blank_32.png',
-			'blank_type'			=>'type_1',
-			'blank_name'			=>'My Name',
-			'blank_folder'			=>'Folder Value',
-			'blank_version'			=>'1',
-			'blank_author'			=>'bill',
-			'blank_authorURL'		=>'http://e107.org',
-			'blank_date'			=>'1352871240',
-			'blank_compatibility'	=>'2',
-			'blank_url'				=>'http://e107.org'
-		);
-		
-		if($sql->insert('blank',$e107_blank))
+	    function install_pre($var)
 		{
-			$mes->add("Custom - Install Message.", E_MESSAGE_SUCCESS);
+			// print_a($var);
+			// echo "custom install 'pre' function<br /><br />";
 		}
-		else
+
+		/**
+		 * For inserting default database content during install after table has been created by the blank_sql.php file.
+		 */
+		function install_post($var)
 		{
-			$mes->add("Custom - Failed to add default table data.", E_MESSAGE_ERROR);	
+			$sql = e107::getDb();
+			$mes = e107::getMessage();
+
+			$e107_blank = array(
+				'blank_id'				=>'1',
+				'blank_icon'			=>'{e_PLUGIN}_blank/images/blank_32.png',
+				'blank_type'			=>'type_1',
+				'blank_name'			=>'My Name',
+				'blank_folder'			=>'Folder Value',
+				'blank_version'			=>'1',
+				'blank_author'			=>'bill',
+				'blank_authorURL'		=>'http://e107.org',
+				'blank_date'			=>'1352871240',
+				'blank_compatibility'	=>'2',
+				'blank_url'				=>'http://e107.org'
+			);
+
+			if($sql->insert('blank',$e107_blank))
+			{
+				$mes->add("Custom - Install Message.", E_MESSAGE_SUCCESS);
+			}
+			else
+			{
+				$mes->add("Custom - Failed to add default table data.", E_MESSAGE_ERROR);
+			}
+
+		}
+
+		function uninstall_options()
+		{
+
+			$listoptions = array(0=>'option 1',1=>'option 2');
+
+			$options = array();
+			$options['mypref'] = array(
+					'label'		=> 'Custom Uninstall Label',
+					'preview'	=> 'Preview Area',
+					'helpText'	=> 'Custom Help Text',
+					'itemList'	=> $listoptions,
+					'itemDefault'	=> 1
+			);
+
+			return $options;
+		}
+
+
+		function uninstall_post($var)
+		{
+			// print_a($var);
+		}
+
+		function upgrade_post($var)
+		{
+			// $sql = e107::getDb();
 		}
 
 	}
-	
-	function uninstall_options()
-	{
-	
-		$listoptions = array(0=>'option 1',1=>'option 2');
-		
-		$options = array();
-		$options['mypref'] = array(
-				'label'		=> 'Custom Uninstall Label',
-				'preview'	=> 'Preview Area',
-				'helpText'	=> 'Custom Help Text',
-				'itemList'	=> $listoptions,
-				'itemDefault'	=> 1
-		);
-		
-		return $options;
-	}
-	
 
-	function uninstall_post($var)
-	{
-		// print_a($var);
-	}
-
-	function upgrade_post($var)
-	{
-		// $sql = e107::getDb();
-	}
-	
-}
-?>
\ No newline at end of file
+}
\ No newline at end of file