Hi.
I used 2.5 but I changed to 3.1 (I recommend it for you). 2.5 has a lot of bugs especially on mozilla.
These bugs are very difficult to fix, I'd tried so many times. It's not worth it.
Of course better is 4.3 or higher but If you accustomed with older versions - take 3.1
http://bvlist.com/other-downloads/10...-1-nulled.html