SFC and Windows update

  • Thread starter Thread starter Stephen
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Stephen

As I understand it, if the system file checker discovers a missing file, it
is replaced from the original installation CD. However, this may be out of
date. If I subsequently run Windows update, will the out of date file be
detected and updated? What is confusing me is that if Windows update can
detect an individual file being out of date, why can't it detect the missing
file in the first place and replace it? In other words, why is SFC needed?

I shall be grateful if anyone can put me right on this.

Stephen
 
http://en.wikipedia.org/wiki/System_File_Checker



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"Stephen" <none> wrote in message
news:%23PFwiyFxHHA.3588@TK2MSFTNGP06.phx.gbl...
> As I understand it, if the system file checker discovers a missing
> file, it is replaced from the original installation CD. However, this
> may be out of date. If I subsequently run Windows update, will the out
> of date file be detected and updated? What is confusing me is that if
> Windows update can detect an individual file being out of date, why
> can't it detect the missing file in the first place and replace it? In
> other words, why is SFC needed?
>
> I shall be grateful if anyone can put me right on this.
>
> Stephen
>
 
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