If you see this error message when trying to burn or transfer an audiobook, the audiobook's .wax file is missing or is corrupted.

Here's the full error message you may see: The specified Windows Media Audio shortcut file "...[title name].wax" is not valid. (Invalid Windows Media Audio shortcut file format.)

To resolve this issue:

1. Delete the audiobook from OverDrive for Window (desktop) without returning it.
2. Download the audiobook from your library's digital collection again.
3. Try transferring or burning the audiobook again.