MY BOOK not saving files

MY BOOK not saving files:  I suddenly found that my files had not been backed up by MY BOOK ESSENTIAL for many months.  Looking around the forum I found that I was not the only one, and found that other people had reloaded the latest version off the WD site.  This I did and the problem was cured.  What caused the problem I do not know.  The moral is : Check frequently.

How are you saving the files? Are you using Smartware or another method?

Yes, I was using the original smartware that came with the drivepack, and it was that that stopped working.  I therefore downloaded the software off the WD site (probably similar software) and this could I suppose fail also.