Vista downloads updates, but doesn't install them.

I set Vista to download and install updates automatically. However, I get
the following error from Vista's EventViewer for about forty-two downloaded
updates:

"Windows Servicing failed to complete the process of changing update
WUClient-SelfUpdate-Aux-uk-UA-LP-Toplevel from package
WUClient-SelfUpdate-Aux(Feature Pack) into Staged(Staged) state"

I also get this error for about seven of the downloaded updates:

"Windows Servicing failed to complete the process of setting package
WindowsUpdateClient-SelfUpdate-Aux-AuxComp-Package_en-US (Language Pack) into
Install Requested(Install Requested) state"

Windows Update tells me that "everything has been installed", however I keep
getting the above error messages. It seems to mean that windows isn't being
updated properly.

Are these error message normal or is it something that needs to be taken
care of ?

Thanks for your time and for your insight,

Paul