Rated 5 out of 5 stars
Good Extension - reminds you if you are using Firefox or Thunderbird as a Limited User or Admin User.
Version 2.2 does not install as of 12-07-2009 from this main webpage.
The download problem at addons.mozilla.org does not appear to have
been fixed yet. Therefore, the new version has also been published to
an alternative download location at
Look for Alternate Download Location and download the IsAdmin v 2.2 extension.
It works as advertised.