firefox crash

[William A. Mahaffey III]

When I navigate to www.tdameritrade.com/home.page, it reliably crashes 
firefox-49.0_3,1, newly upgraded about 2 min. ago (from 49.0_2,1, 
upgraded Saturday, which also crashed), complete w/ firefox.core in my 
home directory:

[wam at kabini1, ~, 8:37:25am] 309 % uname -a
FreeBSD kabini1.local 9.3-RELEASE-p43 FreeBSD 9.3-RELEASE-p43 #0: Sat 
May 28 00:19:32 UTC 2016 
root at amd64-builder.daemonology.net:/usr/obj/usr/src/sys/GENERIC amd64
[wam at kabini1, ~, 8:37:30am] 310 % lltr10; date
drwx------   20 wam   users       6656 Sep 12 22:39 Desktop/
-rw-------    1 wam   users        174 Sep 17 16:16 .serverauth.88546
-rw-------    1 wam   users       1024 Sep 17 16:16 .rnd
-rw-------    1 wam   users       4782 Sep 17 16:16 .ICEauthority
-rw-------    1 wam   users      14334 Sep 17 16:25 .history
drwx------    2 wam   users       3584 Sep 17 16:52 fontconfig/
drwx------    3 wam   users     291840 Sep 18 09:25 Recipes/
-rw-------    1 wam   users       1019 Sep 19 04:38 LIST.cron
-rw-------    1 wam   users    1276759 Sep 19 08:27 mbox
-rw-------    1 wam   users  363171840 Sep 19 08:34 firefox.core
Mon Sep 19 08:37:39 MCDT 2016
[wam at kabini1, ~, 8:37:39am] 311 %

Any other info needed, don't hesitate. Have a good one.

-- 

	William A. Mahaffey III

  ----------------------------------------------------------------------

	"The M1 Garand is without doubt the finest implement of war
	 ever devised by man."
                            -- Gen. George S. Patton Jr.