ok! this might be a little help...at least for the moment. I did dpkg -i --auto-deconfigure /var/cache/apt/archives/firefox_1.99+2.0b1+dfsg- 1ubuntu2_i386.deb and that seemed to help.
-- [Edgy] firefox themes aren't compatible with firefox 2.0beta1 https://launchpad.net/bugs/56072 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs