Maybe its corrupted, have tried downloading it again and reattempt
installation? If that does not work, try disabling User Account Control
temporarily and try installing again.
--
Andre
Blog:
http://adacosta.spaces.live.com
My Vista Quickstart Guide:
http://adacosta.spaces.live.com/blog...3DB!9709.entry
"megstu" <megstu@discussions.microsoft.com> wrote in message
news:7163DF3C-6569-4450-BB3F-FA2E0618FC83@microsoft.com...
>i have windows vista home premium and when i try to run the install of the
> latest itunes install i get a message - this installation package could
> not
> be opened. verify the package exists and that you can access it. or
> contact
> the application vendor to verify that this is a valid windows installer
> package. can anyone give me an idea how to get past this.