firefox abends after a "Down Them All!" download

[Elton Woo]

Binary package hint: firefox-3.0

Selecting a file from *this* page: http://gallery.mobile9.com/f/988223/, then using "Down Them All!" add-on to get the file. Hit "go back to previous page" *twice*, and Firefox abends: NO visible error messages. Browser is run on Asus EEE 1000 PC (Ubuntu linux 9.04 / Jaunty Jackalope) with most recent updates and fixes applied [20 Oct. 2009]. Problem has already occurred at least 6 / 7 times within the past hour.

ProblemType: Bug
Architecture: i386
DistroRelease: Ubuntu 9.04
Package: firefox-3.0 3.0.14+build2+nobinonly-0ubuntu0.9.04.1
ProcEnviron:
 PATH=(custom, no user)
 LANG=en_CA.UTF-8
 SHELL=/bin/bash
SourcePackage: firefox-3.0
Tags: ubuntu-unr
Uname: Linux 2.6.28-15-generic i686