Not sure if these address your issue, T. Have a look see anyway.
You cannot extract the contents of a Microsoft Update Standalone Package
for Windows Vista
http://support.microsoft.com/kb/928636
Description of the Windows Update Stand-alone Installer (Wusa.exe) and
of .msu files in Windows Vista and in Windows Server 2008
http://support.microsoft.com/kb/934307
MowGreen
===============
*-343-* FDNY
Never Forgotten
===============
T. Valen wrote:
> Hi!
>
> I need to know how a patch with a CAB file does work internally.
>
> These CAB files include files with the extension
> .manifest
> .mum
> .cat
> files without any extension
> and an XML-based catalog called _manifest_.cix.xml
>
> Is there a way I can manually generate the new (patched) file from that cab?
>
> Old-style patches could be started with an extract switch like /x so
> that I could get the patched file quite easily.
>
> What do I have to do with these cab files to get the files that would
> replace the old ones?
>
> I need to have the new files without actually applying the patch.
>
> Thanks in advance!
>
> T.