New Service Pack features explained
Additionally, a slew of system bugs will be corrected in the update, including some slow shutdown problems and other crash-causing issues.
Like most Microsoft Service Packs, the SP2 upgrade won't work on your system if you haven't already installed SP1. If you're thinking about trying the SP2 upgrade, you'll have to hit SP1 first. Things may not be totally smooth at first.
Microsoft has had some history with glitches seemingly caused by its Windows Service Pack updates. It sometimes takes several hotfixes for these kinks to be worked out. That's precisely why it's often best to wait for the full release, at the very least, before jumping on the upgrade.
Microsoft did take some steps to make this Service Pack function a bit better than past upgrades. It is the first Windows Service Pack to work for both the client (Vista) and server (Windows 2008) editions of the operating system in a single update.
SP2 also includes what Microsoft is calling a 'Service Pack Clean-up Tool'. This will permanently delete old versions of files SP2 is updating, helping you reduce clutter and get rid of outdated system files that'd otherwise just take up space.
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