What is the error code eg CS2400? If it is that error code (which is normally the code for app not available) then it should only be affecting live TV channels such as BBC channels which is possibly related to the BBC iPlayer app, for which a link is triggered when you land on a BBC channel. This provides the interactivity with the red button in the same way as customers get an error message when there is no internet connectivity with the box. This would also possibly affect Sky Sports channels that have red button content. .
There is a workaround in that instance which you could try, even if your error code isn't CS2400.
In the above instance you can force the channel to play without the pop up reappearing if you hit the Back button on the 360 remote when the error message appears, and then press pause and play