Firefox not running : unable to load XPCOM (was Re:)

[Craig White]

On Sat, 2010-04-03 at 22:20 -0700, Suvayu Ali wrote:
> Hi Don,
> 
> That actually helps a lot. :)
> 
> On Saturday 03 April 2010 09:49 PM, Don Vogt wrote:
> >> I would like to avoid removing and installing again firefox and
> >> xulrunner, but maybe as last option it would work :-?
> >
> >>   Regards,
> >
> >> David
> >
> > After removing and re-installing xulrunner (which removed and re-installed firefox again ), I ran firefox from a terminal and got back a little bit more info than before.
> >
> > firefox
> > /usr/bin/mozilla-plugin-config: line 73:  3364 Segmentation fault      $WRAPPER_LIB_DIR/nspluginwrapper/plugin-config -f>  /dev/null 2>&1
> > Couldn't load XPCOM.
> >
> >
> > the lines near line 73 are:
> >
> > # Set-up installed plugins
> > if [ $# -eq 0 ]; then
> >      $WRAPPER_LIB_DIR/nspluginwrapper/plugin-config -f>  /dev/null 2>&1
> > else
> >      $WRAPPER_LIB_DIR/nspluginwrapper/plugin-config $*
> > fi
> >
> 
> 'nspluginwrapper' usually should be avoided unless you can't absolutely 
> do without it. Since you mentioned you don't have any add-ons other than 
> Adblock Plus installed and you are on a 32 bit system, I would presume 
> you don't need nspluginwrapper.
> 
> As a confirmatory step could you check whether you have nspluginwrapper 
> installed using the following command?
> 
> $ yum list installed nspluginwrapper
> 
> If that lists it as installed, I would suggest removing it. To remove 
> try this, (as root)
> 
> # yum remove nspluginwrapper
> 
> > As usual, that doesn't help me at all. Any ideas?
> >
> 
> Hopefully this will solve your problems. :)
----
probably but to be honest, I haven't been tracking this problem but
generally, you can just nuke the file,
~/.mozilla/firefox/YOUR_SALTED_PROFILE/pluginreg.dat and it will be
rebuilt on the next Firefox startup.

and more to the point, you can temporarily move your whole ~/.mozilla
folder to another name and it will be created again which is a very
quick way to test if something in your .mozilla/firefox directory is
causing a problem. Don't nuke this folder unless you are prepared to
lose your bookmarks, passwords, etc.

Craig


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