Unable to stream via Nvidia

Welcome to the Roku Community, valk09.

Thanks for reaching out. We'd be happy to help you find the best resolution for this. 

We'd like to assess your concern better and provide you with the most accurate resolution and it would be great if you could provide us with additional information such as follows:

• Is this your first time experiencing this issue?
• Have you tried connecting your Roku Ultra to a different device to see if this makes any difference? 
• Could you share us with a short video clip of it happening for reference?

We'll be looking forward to your response.

Best regards,
Carly