"Administrator has set policies to prevent this installation"
This kind of error you will get , when you are installing .msi file,
and the installation will be cancelled. It may be on XP,Windows Server,Vista,Windows 7
To rectify this error you need to install a HotFix by micrsoft.
go to the below location and download the HotFix and install it , after installing it Reboot the system , it MANDATORY
and now install your .msi file. It will work like Charm
any issue post here