That fixed it, after creating a new email account, then changing the primary email addr to the new email account, and verifying the new email account. (what a pain...). Of course, the existing email account I would have preferred to change it to (rather than creating a brand new one) was also unavailable, because it had been previously specified as the emergency retrieval account ... or whatever they call it - can't remember now...), and naturally, there was no way to re-assign that one... arggh 😠Appears to be working now... Xcode 7 beta is now downloading (slowly...)Thanks for you help!