kilo two nine :
'EDIT'
OK the stand alone sp3 installation is the network installation package for it professionals and developers. So does this mean its going to download on the 4 or 5 computers we have now? Because I only need it for one PC not 5+
OMG.... are you really asking that? I saw your original question and thought "no.. he cant be asking that... no-one is that stupid".. so answered the question as if it was from someone who knows nothing,..
Look.. forget all that.. just log onto your one XP Machine and start up "windows update" and select all the important updates (which should include SP3)... you really don't know enough to be messing with stand alone installs.
Cheers