What is that process doing?The process highlighted in the center of this list is using 9% of all available CPU resources. But what is it? The generic process name, Svchost.exe, provides no clues at all. To see the details, right-click the entry in the list and then click Go To Service(s) from the shortcut menu.
For a detailed discussion of when and how to manage services, see Fixing Windows Vista, Part 4: Get smart about services