What's you system (Windows ? Linux -which distribution and version- ?)?
Are you administrator of the system ? Did you run the installer with administration rights ?
hi arnaud, thanks for ur continuous interest.
Yes. i tried installing it under administrator login only.
Sorry, can't help you much more : I don't have any Windows system at home.
Did you try to install the Qt SDK from http://qt.nokia.com ? It contains the same Qt libraries. Packaging should then be made separately (or maybe is there a plugin ?), but you could start some development already as libraries are the same.
Good luck with that.