Install of firefox on 5.04 fails w/ error regarding update-mozilla-firefox-chrome

[Travis Spencer]

> have to reinstall the old
> version.  

This isn't a reinstall; its a clean load.  I tried the 1.0.2 version
but got identical results:

tspencer at plum:~$ sudo apt-get install mozilla-firefox=1.0.2-0ubuntu5
Reading package lists... Done
Building dependency tree... Done
Suggested packages:
  mozilla-firefox-gnome-support latex-xft-fonts xprt-xprintorg
The following packages will be DOWNGRADED:
  mozilla-firefox
0 upgraded, 0 newly installed, 1 downgraded, 0 to remove and 0 not upgraded.
1 not fully installed or removed.
Need to get 0B/8787kB of archives.
After unpacking 24.6kB disk space will be freed.
Do you want to continue [Y/n]? y

Preconfiguring packages ...
(Reading database ... 57535 files and directories currently installed.)
Preparing to replace mozilla-firefox 1.0.6-0ubuntu0.1 (using
.../mozilla-firefox_1.0.2-0ubuntu5_i386.deb) ...
Unpacking replacement mozilla-firefox ...
Setting up mozilla-firefox (1.0.2-0ubuntu5) ...
Updating mozilla-firefox chrome
registry.../usr/sbin/update-mozilla-firefox-chrome: line 106: 12512
Illegalinstruction     firefox-bin -register >/dev/null 2>&1
E: Registration process existed with status: 132
E: /usr/lib/mozilla-firefox/extensions/installed-extensions.txt still
present. Registration might have gonewrong.
mv: cannot stat `/usr/lib/mozilla-firefox/defaults.ini': No such file
or directory
dpkg: error processing mozilla-firefox (--configure):
 subprocess post-installation script returned error exit status 1
Errors were encountered while processing:
 mozilla-firefox
E: Sub-process /usr/bin/dpkg returned an error code (1)

-- 

Regards,

Travis Spencer