Have I read the related troubleshooter articles above before posting (which pages?)? No
Have I searched the tickets before posting? YES
Have I read the documentation before posting (which pages?)? YES
Joomla! version: 1.7.5
PHP version: (unknown)
MySQL version: (unknown)
Host: (optional, but it helps us help you)
Admin Tools version: 2.2.5 pro
Description of my issue:
The site is up to date as far as version 1.7 Joomla goes, but I wish to upgrade to Joomla 2.5 - there is no option to do so!