E-books will not download

Is anyone else as frustrated as I am when trying to download e-books to put on a Kobo??? I've been downloading eBooks from CloudLibrary successfully for quite some time however recently I've started getting a message that tells me: the content you are trying to download does not correspond to the active Adobe ID. Never being one to give up I created a NEW email address and used this to create a NEW account. Was the problem solved??? That would be wishful thinking I’m afraid. Is there anyone out there who can help - Adobe certainly can't!!!