<upd:Update xmlns:lar="http://schemas.microsoft.com/msus/2002/12/LogicalApplicabilityRules" xmlns:cmd="http://schemas.microsoft.com/msus/2002/12/UpdateHandlers/CommandLineInstallation" xmlns:bar="http://schemas.microsoft.com/msus/2002/12/BaseApplicabilityRules" xmlns:upd="http://schemas.microsoft.com/msus/2002/12/Update"><upd:UpdateIdentity UpdateID="3645D464-1C9F-462B-BDBA-612999D08AC7" RevisionNumber="100"></upd:UpdateIdentity><upd:Properties UpdateType="Software" ExplicitlyDeployable="false" DefaultPropertiesLanguage="en" CreationDate="2004-04-09T17:43:59.250Z" Handler="http://schemas.microsoft.com/msus/2002/12/UpdateHandlers/CommandLineInstallation" PublicationState="Published" PublisherID="395392a0-19c0-48b7-a927-f7c15066d905" MaxDownloadSize="5316384" MinDownloadSize="0"><upd:InstallationBehavior RequiresNetworkConnectivity="false" CanRequestUserInput="false" Impact="Normal" RebootBehavior="CanRequestReboot"></upd:InstallationBehavior><upd:Language>zh-tw</upd:Language></upd:Properties><upd:LocalizedPropertiesCollection><upd:LocalizedProperties><upd:Language>en</upd:Language><upd:Title>Security Update for Windows XP (KB821557)</upd:Title></upd:LocalizedProperties></upd:LocalizedPropertiesCollection><upd:Relationships><upd:Prerequisites><upd:AtLeastOne><upd:UpdateIdentity UpdateID="D8361D81-2D0F-4833-A96B-945BA682BF48" /><upd:UpdateIdentity UpdateID="C5CAF853-4C76-47FA-93EC-E49B01DB32FD" /></upd:AtLeastOne><upd:UpdateIdentity UpdateID="3E0AFB10-A9FB-4c16-A60E-5790C3803437"></upd:UpdateIdentity><upd:UpdateIdentity UpdateID="7F38E252-29BC-42DB-9DAD-5377D2FE8703"></upd:UpdateIdentity><upd:AtLeastOne><upd:UpdateIdentity UpdateID="558F4BC3-4827-49E1-ACCF-EA79FD72D4C9"></upd:UpdateIdentity></upd:AtLeastOne></upd:Prerequisites></upd:Relationships><upd:ApplicabilityRules><upd:IsInstalled><lar:And><bar:WUv4RegKeyValue Data="1" Value="Installed" Key="HKEY_LOCAL_MACHINE" Subkey="SOFTWARE\Microsoft\Windows NT\CurrentVersion\Hotfix\KB821557"></bar:WUv4RegKeyValue><lar:Or><lar:And><bar:FileVersion Csidl="37" Path="\shell32.dll" Comparison="GreaterThanOrEqualTo" Version="6.0.2800.1233"></bar:FileVersion><bar:WUv4RegKeyValue Data="256" Value="CSDVersion" Key="HKEY_LOCAL_MACHINE" Subkey="System\CurrentControlSet\Control\Windows"></bar:WUv4RegKeyValue></lar:And><lar:And><bar:FileVersion Csidl="37" Path="\shell32.dll" Comparison="GreaterThanOrEqualTo" Version="6.0.2600.115"></bar:FileVersion><lar:Not><bar:WUv4RegKeyValue Data="256" Value="CSDVersion" Key="HKEY_LOCAL_MACHINE" Subkey="System\CurrentControlSet\Control\Windows"></bar:WUv4RegKeyValue></lar:Not><lar:Not><bar:WUv4RegKeyValue Data="512" Value="CSDVersion" Key="HKEY_LOCAL_MACHINE" Subkey="System\CurrentControlSet\Control\Windows"></bar:WUv4RegKeyValue></lar:Not></lar:And></lar:Or></lar:And></upd:IsInstalled><upd:IsInstallable><lar:True></lar:True></upd:IsInstallable></upd:ApplicabilityRules><upd:Files><upd:File Digest="FPT6DXt7/DAd3fgC4uNv5Cj33Rw=" DigestAlgorithm="SHA1" FileName="WindowsXP-KB821557-x86-CHT.exe" Size="5316384" Modified="2003-07-23T08:58:02.6411769-07:00"></upd:File></upd:Files><upd:HandlerSpecificData xsi:type="cmd:CommandLineInstallation" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"><cmd:InstallCommand RebootByDefault="false" DefaultResult="Failed" Arguments="-q /Z" Program="WindowsXP-KB821557-x86-CHT.exe"><cmd:ReturnCode Code="3010" Reboot="true" Result="Succeeded"></cmd:ReturnCode><cmd:ReturnCode Code="0" Reboot="false" Result="Succeeded"></cmd:ReturnCode></cmd:InstallCommand></upd:HandlerSpecificData></upd:Update>