Error Installing VMware vCenter Server 4.1 in Windows Server 2003 x64 edition

When you try to install VMware vCenter 4.1 can receive the following error:

Error 1718. File FileName was rejected by digital signature policy.

Additionally, the following event may be logged in the Application log:

Type: Error
Source: MsiInstaller
Category: None
Event ID: 1008
Date: Date
Time: Time
User: Na
Computer: ComputerName
Description: The installation of FileName is not permitted due to an error in software restriction policy processing. The object cannot be trusted.

Resolution:
Use this fix Download the Update for Windows Server 2003 x64 Edition (KB925336) package now
or
See the Microsoft KB http://support.microsoft.com/kb/925336/en-us