This error means that your Roku device is connected to router but have some internet issue. Try and check internet on other devices like mobile or computer. If internet on these devices is working, restart router through unplugging it and plugging it back. It is advisable to restart Roku device too through Settings on Home -System-System Restart.
Roku Device which has numerous variations of content that are streaming on it for your virtual pleasure. The main unique selling proposition of Roku devices is, it is not expensive and easily available.
The wonder device called Roku comes along with Roku Remote Control with exclusive features and sophisticated design. With so many unique attributes Roku device have, customers can sometimes have few errors on screen while browsing channels or application.