"HeavyMetal747" <> wrote in message
news:FF04C8AD-8C11-4482-A65E-...
> Hi,
>
> The Visual Studio 2005 Service Pack 1 will not install from Microsoft
> Updates. When I click on the reason for falilure it says "Installation
> Failure Error Code: 0x66A".
<cmd_output OS="XPsp3">
E:\>set /a c = 0x66A
1642
E:\>net helpmsg %c%
The upgrade patch cannot be installed by the Windows Installer service
because the program to be upgraded may be missing, or the upgrade
patch may update a different version of the program. Verify that the
program to be upgraded exists on your computer and that you have
the correct upgrade patch.
</cmd_output>
> How do I fix this so I can install the service
> pack?
Pick the right one? ; )
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