Peter,

I've also seen similar behaviour in PEP2, but just the once. As in your case it arose when manually changing the font size to a non-drop down value. Not sure whether the entire page or just the widget in question was replaced by a big red cross. As I recall, I was able to select a font size from the list to correct the situation and have never seen it since.

Are you able to replicate the behaviour with different pages / widgets etc?

Andy