firefox share profile in freebsd and windows!

[heccj]

Perhaps this is not proper site to place this question,but i just meet
this problem!

I want to share my firefox 1.0.1 profile in windows xp and freebsd 5.3,i
can run with:firefox -safe-mode,it will freeze when i
use:firefox,obviousely,it's because of the extensions.When you setup
extensions in windows xp,firefox can't start in freebsd,when you setup
extensions in freebsd,firefox can't start in windows!Why?How to resovle it?