Rated 5 out of 5 stars

FF3.5B4 Problem 1)Install Mr Tech Toobox 2)Install Boox
Issue *XML Parsing Error*
Fix 1)Start FF in safemode (firefox-3.5 -P)
2) Reset all user preferences to defaults
3) Start ff, enable Boox, close.
4) From saved copy of FF profile copy back places.sqlite, prefs.js, sessionstore.js
5) Start ff.

This review is for a previous version of the add-on (2.0).