to advanced. The step by step process can be found here: http://www.mydigitallife.info/2007/12/21/fix-error-80070002-when-using-windows-update-in-vista/ I would suggest if you doubt your ability to do this more...
Microsoft Windows XP Professional - Troubleshooting
will scan your system for you and determine the drivers / updates needed. You may find this more helpful than trying to search available sites: www.driveragent.com, www.drivers.com, and www.drivershq.com. (You can also check the WindowsUpdate Catalog at http://catalog.update.microsoft.com/v7/site/home.aspx for a driver that may be compatible, more...
Microsoft Windows XP Professional - Troubleshooting