I started using 64-bit Firefox on Windows about a year ago, and carried over all my add-ons. It crashes way less than my 32-bit Firefox, which tends to die afte

I started using 64-bit Firefox on Windows about a year ago, and carried over all my add-ons. It crashes way less than my 32-bit Firefox, which tends to die after allocating 1.8 GB of memory. What makes you say 64-bit FF is more unstable for you?