Error while installing MSI package

I ran an MSI package on my ma开发者_如何学Cchine[.Net 3.5 application] and it is giving following error while installation:

"This advertised application will not be installed because it might be unsafe. Contact your administrator to change the installation user interface option of the package to basic"

Ho do I get rid of this error?

Thanks.

You need to run the installer as an Administrator.

Right-click on the icon for the MSI file, and select "Run as administrator" from the context menu: