Transferring Last Year's Info using the CD

I have used Turbotax for 10 years.  I always use the CD.  This year, TurboTax could NOT locate last year's return?  Why?

I ended up having to start all over from scratch entering all my information.  PLEASE EXPLAIN WHY THIS YEAR TURBOTAX CD COULD NOT FIND LAST YEAR'S RETURN?  What are my options ??? 

Thanks and blessings....