Profile "default":

  System Extensions:
      /usr/lib/firefox-4.0.1/extensions/langpack-en-GB@firefox.mozilla.org.xpi does not exist (old profile?)
      /usr/lib/firefox-4.0.1/extensions/langpack-en-US@firefox.mozilla.org.xpi does not exist (old profile?)
      /usr/lib/firefox-4.0.1/extensions/langpack-en-ZA@firefox.mozilla.org.xpi does not exist (old profile?)
      /usr/lib/firefox-4.0.1/extensions/globalmenu@ubuntu.com does not exist (old profile?)
    Ubuntu Firefox Modifications (version: 0.9.1) -	id: ubufox@ubuntu.com

  No User Extensions in this Profile.

  System Themes:
      /usr/lib/firefox-4.0.1/extensions/{972ce4c6-7e08-4474-a285-3208198ce6fd} does not exist (old profile?)