iTunes Store: is this really the best you can do?

I've written before about Apple's habit of providing obscure, meaningless, and hence almost completely unhelpful error dialogs. Here's another one:

Needless to say, my connection to the network was active, and I did try again. Three times. No joy.

Ten minutes later, I was able to resume the download. iTunes just pretended nothing had happened. I'm thinking of starting a gallery of Useless Apple Error Dialogs.