I have tried using the calibre plugin for B&N but I still get the error - cannot convert, etc....
I am not sure if it's my NAME (one character) or CC info. But clearly something does not compute.
Also, I've got the nook pc reader - so I seem to have two copies - one I directly downloaded and one from the nook-app storage in MyDocs (or wherever it stored it) - neither copy will decrypt.
B&N would allow me to change my name but that might affect books I've download???