Script problem freezes ff Rated 1 out of 5 stars

Firecookie was working fine until the last update a few days ago, ff freezes and a pop up says, a script on this page has stopped working should I stop it or not …
And the culprit is


but the js number keeps on changing the whole time
It’s a pity cause I really love this addon. Any ideas?

This review is for a previous version of the add-on (0.6).