If you manage more than just a small handful of PCs, though, and you don't have your own IT staff, it can be a pain in the neck to ensure all those computers get SP1 installed via Windows Update. A better approach? You can download SP1 from the Microsoft Website, and then copy that file to a network share or a DVD and ensure it's installed that way.
Just download SP1 from its home on the Microsoft Download Center. In fact, you've find detailed instructions there for downloading and using the SP1 file.
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