Hi Stuart,
Can you post a screen shot? There is a weird display issue that I’ve seen on occasion, where those boxes disappear. It’s a very aprticular setting in Windows, but I can’t recall if it’s a screen resolution thing or some font size option. In any case, if it’s what I’m imagining here (pending pics) it’s a setting that can be changed. It’s not specific to Version 7.2 of WXSIMATE, though. I’ve seen it three or four times over that last 10 years or so.
Tom