How long is long ?
Open windows defender and look in software explorer to see what programs run at start up. Anything not related to Vista can be disabled. This only prevents them loading at startup, doesn't stop them running when called on.
Vista on it's own should boot up in a minute to minute and a half I guess... security packages can easily double that. Shutdown should be quick, I reckon on about 15 to 20 secs from hitting the power button to all "all lights out"
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