         self.windowController?.window?.makeKeyAndOrderFront(nil)
     }
     
-    func hideNFXFollowingPlatform(completion: (() -> Void)?)
+    private func hideNFXFollowingPlatform(completion: (() -> Void)?)
     {
         self.windowController?.close()
         if let notNilCompletion = completion {

        clearOldData()
        self.started = false
        showMessage("Stopped!")
    }
    
    private func showMessage(msg: String) {

        presentingViewController?.presentViewController(navigationController!, animated: true, completion: nil)
    }
    
    private func hideNFXFollowingPlatform(completion: (() -> Void)?)
    {
        presentingViewController?.dismissViewControllerAnimated(true, completion: { () -> Void in
            if let notNilCompletion = completion {
