I'm facing the same problem on 32 bit too: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.2) Gecko/20100124 Ubuntu/10.04 (lucid) Firefox/3.6
I'm facing the same problem on 32 bit too:
Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.2)
Gecko/20100124 Ubuntu/10.04 (lucid) Firefox/3.6