I got hold of this hotfix but it hasn't made any difference.
"Bistey Csaba" wrote:
> This KB looks like the solution for your problem:
>
> http://support.microsoft.com/kb/937385
>
> Csaba
>
> Fearful1138 wrote:
> > I've got a new Dell workstation that has Vista Business x64 pre installed and
> > I can't use Offer Remote Assistance to connect to any client. I've got a
> > Technet licenced version of Vista Business x64 which I installed myself and
> > that works fine.
> >
> > I get this error logged in the application log.
> >
> > Log Name: Application
> > Source: Microsoft-Windows-RemoteAssistance
> > Date: 19/12/2007 11:30:38
> > Event ID: 3
> > Task Category: None
> > Level: Critical
> > Keywords:
> > User: ****
> > Computer: ****
> > Description:
> > Application will terminate, a critical error was detected in
> > d:\vistartm\base\diagnosis\ra\ui\expinterdialog.cp p Line 4474 Function
> > OnExpErrorProc
> >
> > The file that reffered to in the event description doesn't exist on the
> > machine???
> > --
> > Chris Blake
>