Save & Restore 2.0 "Can not successfully reconcile changes since last session"

On Vista, using USB connected 1TB remote disc, backup sessions were running perfectly.  Now, I am getting this "cannot reconcile" message, sometimes on my desktop.  When Save & Restore 2.0 (S&R) is called up, the Home Tab shows a text "unable to determine status" in the middle of the top section of the screen,  the bottom left section acknowledges the remote hard disc (in Backup Destination section), with a pie shaped sketch of the external hard drive capacity, space available, etc. The Status Tab just shows an empty calender.  In the Advanced Tab, under Backup history, all the successful backup sessions are listed.  I believe all the data is there and available, but it appears that S&R cannot link to it.  Forgive my novice description, pls, I am way in over my head, here.

 

Thank you, for your your time and effort.

Jim