Whenever you have "XML cannot be found", the problem is: your Module isn't compatible with your Joomla version.
Hope it's helpful for you.
Question
I have downloaded AddThis module for Joomla 1.5 but when I tried to install it, an error is shown telling that installation XML cannot be found.
Does anybody know how to install it correctly?
Thanks Jaime
Solution
Whenever you have "XML cannot be found", the problem is: your Module isn't compatible with your Joomla version.
Hope it's helpful for you.