Rated 5 out of 5 stars

▶ sfm: The reason you are having the problems you are having, is because you blocked a site that is a part of your homepage or local data for your browser.

You can see what site is causing this issue by deleting them from your list, one at a time.

Just make sure you back-up your list before doing this.

This review is for a previous version of the add-on (0.7.1.1).  This user has 2 previous reviews of this add-on.