Network error #2038 ADE

I am trying to put loaned books onto my Kobo Ereader thru ADE... getting this message...

IO Error on Network Request.

Please check your network connection and try again.

Network Path:

https://acs.cdn.overdrive.com/ACSStore1/0111-1/88C/E50/4C/{88CE504C-E3CC-4881-8A68-9955EF1BCD24}Fmt410.epub

Event Detail:

Error #2038

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appreciate assistance on how to fix this issue...  have tried a few different books all with the same issue.

Thank you