Thanks Mark, but no, it is not because of the extensions... It's just that I'm a compatibility maniac and I really like to run several versions of different browsers in my computer so I can be sure that my sites run in all of them. Thank you anyway. Roberto ------------------- Mark Groen wrote: > >Just a guess, is it because some of the extensions don't work? Here's >how to fix that: > >http://www.muffinresearch.co.uk/archives/2005/11/30/Firefox_15_Launched.php > >cheers, > > Mark > > >