Extrapolating on Bob's suggestion why don't you do this:

Download SpyBot Search & Destroy which is a free download (from Germany) and
run it. It is superb. I've used it on all my machines especially ones with
heavy Internet traffic. They are very up to date.

They ask for donations but it is up to you. It is not a prerequisite for
using the app. It will never shut down it you don't donate. You will have to
download updates manually every time before using. It is your
responsibility.

Yet, another option I've discovered lately is just simply leave your machine
overnight for a week with the option to download windows updates set
nightly. It may well repair itself. I've experienced such strange things
first hand.

"Francois" <Francois@discussions.microsoft.com> wrote in message
news:FC3E86B3-F681-401D-A5ED-A2CF608FE3A1@microsoft.com...
> It is a Vista Professional 64 bits.
> I don't remember installing anything special that created the issue. The
> system is now spending 30% of its time (on a Quad processor !) in a
> svchost
> process that runs the following programme (sorry it is in French).
>
> Wudfsvc Windows Driver Foundation - Infrastucture de pilote
> mode-utilisateur
> WPDBusEnum Service Enumerateur d'appareil mobile
> WdSystemHost Hote system diagnostics
> UxSms Gestionnaire de sessions du Gestionnaire de fenetrage
> TrkWks Client de suivi de lien distribué
> TabletInputService Service Panneau de saisie Tablet PC
> SysMain Superfetch
> PcaSvc Service de l'Assistant Compatibilité des programmes
> Netman Connexions reseau
> hidserv Acces du peripherique d'interface utilisateur
> BMDMmgt Service ReadyBoost
> CscService Fichiers hors connexion
> AudioEndpointBuilder Generateur de points de terminaison du service Audio
> Windows
>
> I tried to stop some of these services, without success, and I am afraid
> to
> continue stopping these to find the culprit. And when I know who it is, I
> still don't know why and how to fix it.
>
> I have Windows live OneCare, and the Adobe CS3 installed, could it be one
> of
> these. Some of the errors (logs by the system) pointed to the Intel ship
> set
> inf file and the RAID driver, I updated theses and all the drivers without
> success.
>
> Any ideas? the system is so slow that it is not usable, and it is instable
> and would not shut down.
>
> I hate to redo the system, but right now it seems the only alternative,
> unless on of you guys has a bright idea.
>
> Thanks, Francois.