We need more information than that. That doesn't tell us the context, nor the details. So...
What Roku model number to you have? If your Roku isn't set up, it's on the box. Four numbers, with a one or two letter suffix, but the suffix isn't really important, just the four numbers.
Which brings us to: Is the Roku already set up? Is the issue only happening when you open certain apps?
Let us know more about what's going on and which device you have, and we'll see what we can do?
Roku Community Streaming Expert
Note: I am not a Roku employee.
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