KB900725

This is a silent installer for KB900725 for Windows 2000:

<package id="kb9007252k" name="KB900725 for Windows 2000">

<!-- Security Update for Windows 2000 (KB900725) -->
<check type="file" condition="versiongreaterorequal" path="%Windir%\system32\shell.dll" value="5.0.3900.7071" />
<install cmd='%SOFTWARE%\hotfixes\win2ksp4\Windows2000-KB900725-x86-enu.EXE /passive /n /norestart'>
<exit code="194" reboot="true" />
<exit code="1603" />
<exit code="3010" reboot="true" />
</install>
</package> 

This is a silent installer for KB900725 for Windows XP:

<package id="kb900725xp" name="KB900725 for Windows XP">

<!-- Security Update for Windows XP (KB900725) -->
<check type="file" condition="versiongreaterorequal" path="%windir%\system32\Shell32.dll" value="6.0.2900.2763" />
<install cmd='%SOFTWARE%\hotfixes\winxpsp2\WindowsXP-KB900725-x86-ENU.exe /passive /n /norestart'>
<exit code="194" reboot="true" />
<exit code="3010" reboot="true" />
</install>
</package>