Follow direction Michael-V posted in another thread.
posted 3 hours ago
To resolve this issue perform the following:
1) Uninstall the application by clicking Start>All Programs>Barnes& Noble> Desktop Reader> Uninstall
2) Follow the uninstall prompts. This process will delete all your local content; however your eBooks will remain stored in your online in your B&N eBooks library.
1) Uninstall using Control Panel by performing the following: Start>Control Panel>Add or Remove Programs> Remove the Barnes & Noble Desktop Reader.
After Un-installation is complete, simply go to Barnes&Noble.com and re-install the Desktop eReader.
This process should correct any content issues you may receive in “My Library,” and you can pick up where you left off. Enjoy your reading!
Typical. Software fails. User's problem. No communication.