update laptop not update desktop

[123xxxxx]

i have come across something wierd here
i have a laptop sony vaio xp home edition
and also a desktop aslo xp home edition both legal licence as the laptop is
an OEM
and desktop home built
i had an update on my laptop to install but not on the desktop, ok, i may of
had a problem regarding the laptop, i.e. i couldnt click on some links on a
web page, now happily resolved using the update, and yet i never had an
update on the desktop, although i never had known a problem any guess
any1???
this is wierd microsoft

 

[Jeanie Decker \(MS\)]

Maybe you don't have automatic updating enabled on the desktop? To check, in
Control Panel, open System. In the System properties dialog box, click the
Automatic Updates tab and check your settings.