There are numerous simple solutions to many of the Windows problems we run into, as well as many easy adjustments that can speed up performance. Some of these you may want to bookmark in case you eventually hit a situation that requires some manipulation.
MICROSOFT's WINDOWS XP SUPPORT CENTER From the horse's mouth. :)
BLACK VIPER Excellent articles and easy-to-use guides on Windows Service Configurations for improved system security (Win2k & WinXP). This site also includes install guides for Windows ME, XP Home, XP Pro, Win2000 and Windows 2003 Enterprise Server, as well as for Red Hat 8.0 I always consult his Service Config guide on any new XP install.
ANNOYANCES.ORG "Annoyances.org is the most complete collection of information assembled for and by actual users of Microsoft Windows."
AXCEL216's MAX SPEED WINDOWS TRICKS His opening site blurb reads: "Microsoft declared Windows 3.xx, 95, 98, ME + MS-DOS 6.xx (ALL flavors) 'obsolete'. :( But I didn't! :) And here is the proof... The main goal of these pages is to transform your PC into the ultimate, extremely tweaked, mean machine you have always dreamed of, even if you don't have the fastest hardware available under the sun. Nonetheless, if you do own a fast rig, this will squeeze the last atom of performance it is capable of, making it soar at MAX Speeed."