On 05/24/2013 01:38 AM, Patrick Dupre wrote: > I observed a lot of crashes with firefox 21 > for example just going to www.thesaurus.com > I also use ABP to block the AD, but it does not seem to be the poblem. Just went there with ABP -- works fine. If you just updated firefox, you may need to reboot the machine - I've seen stability problems before reboot