FYI...

Firefox 33.0.2 released

From an admin. account, start Firefox, then >Help >About >Check for Updates ...
-or-
Download: https://www.mozilla.com/firefox/all.html

Release notes
- https://www.mozilla.org/en-US/firefo.../releasenotes/
Oct 28, 2014
Fixed: 33.0.2: Fix a startup crash with some combination of hardware and drivers