Those errors are consistent with not restarting firefox after updating it.
Sorry but Firefox-2 is getting near EOS and they wont be fixing anything but
major issues security issues mainly. Please try to reproduce this with
Firefox-3.0 if you can reproduce this bug please click on Help Report a
Similar problems when going to menu - Edit - Preferences
XML Parsing Error: not well-formed
Location: chrome://browser/content/preferences/preferences.xul
Line Number 1, Column 1:?xml version=1.0 encoding=utf-8?
^
/etc/issue:
Ubuntu 7.10
/proc/version:
Linux version 2.6.22-10-generic ([EMAIL
