Problem with FF Aurora 9.0a2 Rated 4 out of 5 stars

On at least one of my PCs, I once again get a blank window when I click "Organize Favorites." At least one of my other PCs works, though. Both are running FF Aurora 9.0a2.

This review is for a previous version of the add-on (1.2).  This user has a previous review of this add-on.