There was a brutal bug in Vista on some machines where it would peg the CPU for hours during update check on start-up. Users learned to never fully reset unles

There was a brutal bug in Vista on some machines where it would peg the CPU for hours during update check on start-up. Users learned to never fully reset unless it was critical. I saw it personally in multiple machines, and I'm a dev not an admin - I only use a handful of computers.