Have I read the related troubleshooter articles above before posting (which pages?)? Yes
Have I searched the tickets before posting? Yes
Have I read the documentation before posting (which pages?)? Yes
Joomla! version: 1.5.26 Virtuemart 1.1.9
PHP version: 5.2.17
MySQL version: (unknown)
Host: (optional, but it helps us help you)
Admin Tools version: not installed yet
Description of my issue: Is it possible with the help of Admintools, to update to Joomla 2.5 and Virtuemart 2.0? And if so, how to proceed?