Try going to:http://support.microsoft.com/ph/8291...1&GSA_AC_More1
A list of installation tips might help..

"nameless fella who does not have a name" wrote:

> the above mentioned update is a security update for .Net Framework 2.0. I
> could not get update to install through auto updates or by visiting the
> website. Then I tried downloading and installing using individual exe's MS
> provide and it gave the following message:
> Error 25012.Failed to install assembly
> 'C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\msc orlib.dll' because one or
> more modules were streamed in which did not match those specified by the
> manifest. Invalid file hash in the manifest?
> [Retry] [Cancel]