KB894391

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>