KB894391
From WPKG | Open Source Software Deployment and Distribution
This is a silent installer for KB894391 for Windows XP:
<package id="kb894391xp" name="KB894391 for Windows XP"> <!-- Update for Windows XP (KB894391) --> <check type="file" condition="versiongreaterorequal" path="%Windir%\system32\ole32.dll" value="5.1.2600.2665" /> <install cmd='%SOFTWARE%\hotfixes\common\WindowsXP-KB894391-x86-ENU.exe /passive /n /norestart'> <exit code="194" reboot="true" /> <exit code="3010" reboot="true" /> </install> </package>