alternative solutions: Rated 3 out of 5 stars

Try MozBackup until this mess is sorted out!!
http://download.cnet.com/MozBackup/3000-2242_4-10260383.html

or u can download beta versions from developers page :
http://softwarebychuck.com/febe/febe70.html

This review is for a previous version of the add-on (6.3.3.2).  This user has other reviews of this add-on.