In Vista, even an administrator account runs with standard user privileges
until a program asks for administrator elevation. The programs you are
installing have not been updated for Vista.
You can force the issue by right clicking the installation file and
selecting the Run as Administrator option in the context menu.
--
Ronnie Vernon
Microsoft MVP
Windows Shell/User
"Harry Motro" <Harry
> wrote in message
news:0CDA5B70-5C3F-479E-9CF7-...
>I have Windows Vista Premium and am working on a SINGLE machine. When I
>try
> to install certain programs (I-tunes 7.1 and Windows Mobile Device Center
> 6
> for Windows Vista), I get an error message:
>
> "The system administrator has set policies to prevent this installation".
>
> Yet:
> - I am the system administrator
> - and there's no option to enter password to give permission.
>
> Suggestions?