Have I read the related troubleshooter articles above before posting (which pages?)? YES
Have I searched the forum before posting? YES
Have I read the documentation before posting (which pages?)? YES -- It contains no material on its own update process.
Joomla! version: 1.5.25
PHP version: 5.2.17
MySQL version: 5.1.55-rel12.6
Host: Media Temple and also same issue on same setup with Site5
Admin Tools version: 2.1.13
Description of my issue:
After upgrading to the latest version, the "Admin Tools: Post-installation configuration" screen appears and offers two checkbox items to select, but they are grayed out and cannot be selected. The items are: 1) Enable automatic Admin Tools update emails and 2) Enable automatic Joomla! update emails.