I have installed it, because I figured that eventually it will be needed for some purposes, and bug fixes are always good. However, my particular combination of hardware (HiPix HDTV board, Nvidia WDM video capture, external FireWire DVD drive) was very hard to make work with SP1. I ended up buying a whole new motherboard (Asus A7N8X Deluxe with the Nforce chip set) to get things working right. I did need a better MB anyway, so it was not strictly to make SP1 work.
I haven't messed with installing it either, just do critical updates and leave it at that. I read about all the extra crap that microsoft put in SP1 and don't really trust it all that much. My system runs fine without it.
Install SP1 - lots of fixes. However they did break the memory management allocation thingy. Make sure you contact Microsoft after you install SP1 for the fix. They only give out the file if you call them --- not avaliable from thier website for some reason...
Originally posted by rgathright What is SP1 and why should I need it?
SP1 stands for Service Pack 1. Every now and then, Microsoft releases a service pack to add (install over) their products; hence the numbers: SP1, then they release SP2, etc. These service packs generally contain major bug fixes, and sometimes a collection of minor ones, and also sometimes additions to the product (for example, Windows XP SP1 has the "Set Program Access and Defaults" feature added to the OS; you can find it in Control Panel -> Add/Remove Programs).
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