You're doing it wrong if you feel the need to constantly refresh Windows. Even XP and Vista were fine for years if you looked after it.
Sounds like you will be putting in as much work refreshing Windows as you would looking after it in the first place.
hot on the trail - an accident at work did prompt my investigating this......not necessarily porn related unfortunately.........
this is true..........but one of the things you would obviously have to live with, many IT departments don't always keep up to date with all the updates because of the work involved........