Why does the file Name for file attached with Annotations "Attach File" (paperclip) become Unknown when Comments are Published?

Question

Our company recently purchased Adobe Acrobat Pro XI for the purpose of using it for shared electronic reviews.  We are using Send for Shared Review created in Adobe Acrobat Pro XI, and all the Comment tools work as expectedexcept the paperclip in Annotations.
When a Word or Excel or Image(png,jpeg) file is attached using the Annotations paperclip, the initiator can initially see and open it. But after Publish Comments is selected and the review file is closed, the file "Name" changes to "Unknown" (although the Description has the correct file name and extension).  The Modified information is Unknown, as is the Size and Compressed Size.
When the review file is then re-opened, even the initiator cannot open the file, although:
The file location is marked with the paperclip within the document.
The file name is shown in the Comments List with the initiator's name.
In the Attachments list (the paperclip beneath the Thumbnails and Bookmarks) the Name appears as Unknown, Description shows the file name, Modified is Unknown, Size is Unknown, and Compressed Size is Unknown.
The file Name cannot be edited, although the file Description can be.
We have followed the procedure described in the tutorials but cannot figure out how to troubleshoot this situation.  Since this feature was the reason for the purchase of Adobe Acrobat Pro IX, we would any help. Please don't leave out any basics since we are all new users.
We have several people with Adobe Acrobat Pro XI and the rest have Adobe Reader XI and it is a Windows platform.  Can someone please give us some advice how to get this feature to work as described?

Answer 1

FYI Rave,
There are some other forum entries with this exact same issue...:
Cannot Open Attachments in PDF
Why does the file Name for file attached with Annotations "Attach File" (paperclip) become Unknown when Comments are Published?
Can someone help us get the COMMENTS ATTACHMENT TOOL to work as described in Acrobat Pro XI?