I'm encountering the same problem. I'm working a solution that might help:
see
http://support.microsoft.com/default...en-us%3B320112
"noLoveLusT" wrote:
> hi everyone, i have a windows media center pc and all updates from microsoft
> installed except
>
> Security Update for Microsoft .NET Framework, Version 1.0 Service Pack 3
> (KB887998)
>
> when i try to install it i get error 0x8007F070
>
> can anyone help?
>
>
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