Microsoft has established separate newsgroups for Windows Defender support
and comments. This is not one of them.

See
http://www.microsoft.com/athome/secu...s/default.mspx

--
~Robear Dyer (PA Bear)
MS MVP-Windows (IE, OE, Security, Shell/User)

JC wrote:
> I am trying to install Windows Defender. I downloaded the SW but during
> install I received an error message that i needed to update Windows
> Installer
> 3.1. I downloaded this, but during install I get the following error
> message. "Setup could not verify the integrity in the file Update.inf.
> Make sure the Crytographic service is running on this computer." I have
> replaced the file NT5INF.CAT but this hasn't helped.
>
> Need help to get the installer loaded.