How to transfer downloaded books to ADE using PC with Windows 10?

Borrowed books from the library. When trying to transfer to ADE get the following error message

IO Error on Network Request.
Please check your network connection and try again.

Network Path:
https://acs.cdn.overdrive.com/ACSStore1/2016-1/737/24D/27/{73724D27-C4C6-4752-AA1E-BFE9C5E15F7F}Fmt410.epub

Event Detail:
Error #2038

help would be much appreciated