Josh, Thanks for the ideas. However, this turned out to be something far more innocuous. I had a shell stacksize limit set that i'd forgotten about which apparently firefox and mozilla didn't like (d'oh). slaton On Fri, 11 Nov 2005, Josh Kelley wrote: > On 11/10/05, slaton <slaton@xxxxxxxxxxxxxxxx> wrote: > > Since installing the latest yum updates a couple of days ago, I'm > > unable to start Firefox or Mozilla. Both fail silently with no > > messages printed to console. This is a 32-bit dual Xeon box running > > Centos 4.2. > > Try seeing if you have any plugins causing problems. For example, RHEL > 4 currently has a bug with the Java plugin, although it doesn't cause > problems at startup: > https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=170447 > > Did you try running strace? From the command prompt, > strace firefox > or > strace mozilla > This will display a log of the system calls made by Firefox or > Mozilla; often, the last few calls will give a clue as to what the > problem is. > > Josh Kelley