Crashes. Rated 1 out of 5 stars

Once again, Microsoft has taken the liberty of doing whatever it pleases to your machine. On mine, Firefox crashes on exit every time and runs ridiculously slow. After having disabled it, my Firefox seems to have returned to normal again. Way to go MS! I'm certain you will continue to think we are disposable and do as you please as you always have... (1.1/3.5SP1)

This review is for a previous version of the add-on (1.1).