Hello Nigel! Thank you for your question. I will be assisting you today.I'm sorry about the issue. Do you have windows xp, vista, or 7, or 8, or mac computer?
Since Kobo and Nook are too different brands; the books are not compatible, so we need to convert them, then you can get the Kobo books into your Nook device. Please download and install the Adobe Digital Editions software:http://www.adobe.com/products/digital-editions/download.htmlPlease see the full instructions at the website below:http://cp-barnesandnoble.kb.net/kb/?ArticleId=2326&source=Article&c=12&cid=2#tab:homeTab:crumb:7:artId:2326Edit: Please let me know if you still need help with this. Thank you,