Export taking really long (AB&R10)

I am retiring one of my workstations and want to export the backups to an external drive since I won't need to keep them online and available. I did an "Export Backup" from the management console a day and a half ago and not only do I not see anything exporting (I only see a .meta folder in the folder where I told it to export to, and two 2KB files in that), but all of my other backups are stuck at "Running 0%" or Waiting.

What is going on? Should it be taking this long? How can I tell that it's actually doing something? (Process Explorer shows disk activity for ManagementServer.exe and sqlserver.exe, but I don't know where any log files might be.)