Consider the following scenario. You apply the hotfix package that is described in Microsoft Knowledge Base article 916089. Then, you try to install an update from Windows Update or from Microsoft Update. In this scenario, the Svchost.exe process that runs Windows Update stops responding. Additionally, you receive an access violation. This access violation stops the Server services and the Workstation service. For more information about the symptoms that are addressed by installing the 916089 hot fix, click the following article number to view the article in the Microsoft Knowledge Base:
916089 When you run Windows Update to scan for updates that use Windows Installer, including Office updates, CPU utilization may reach 100 percent for prolonged periods This issue applies to Windows XP 32/x64 and Windows Server 2003 32/x64/Itanium-based Systems. NeoWin