If your Roku device finds out that the HDMI made with your TV is not supporting the copy and content protection technology, you are going to face an error called Roku error code 020. The error code is the 020 and along with the message, you are going to see that your screen might have gone purple. To fix this error, you have to follow the given steps or call our experts at USA/Canada: +1-888-271-7267 and UK: +44-800-041-8324