From: "Geo." 

"Gregg N"  wrote in message
news:Xns95458A8CAE866gregginvalidinvalid{at}216.144.1.254...
> "Geo."  wrote in news:411df0ed$1{at}w3.nls.net:
>
> > I don't believe it's the same, the full version doesn't care if you
> > have patch XXX installed, if that patch is part of SP2 then installing
> > the service pack will reinstall that patch along with all the others.
> > WU doesn't do that in order to save bandwidth.
>
> The above comment suggests that you did not understand what I said.
>
> I don't know how I can explain it any clearer, so I will stop here.

Oh I understand what you said, but how does it know what files it needs
from Windows Update and what files to take from the local machine? Is that
process foolproof/bugfree? I mean think about this for a minute, verifying
100mb of patches or just assuming none are installed and installing
everything from a known good source, which seems less error prone?

Also please note, I'm not saying there are any errors, I'm just saying
there is a higher probability of an error with one method over the other.

I say this because I've seen WU (ie this type of process) make mistakes
before. As one
example (granted an example that fails the other way, when in doubt install
it, but a mistake none the less) see http://www.nthelp.com/images/wu.jpg
(this screenshot was the result after manually installing the patch several
times and jumping thru a bunch of hoops to confirm that I was not
vulnerable).

Geo.

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