Jan, Business to Premium is not an upgrade.
They are in 2 different bundles of Vista versions. {Home Basic, Home
Premium}; {Business, Ultimate, Enterprise}.
Therefore, clean install, not upgrade.
"Jan Gruyaert" wrote:
> Vista professional / Vista Business
>
> "Mick Murphy" <MickMurphy@xxxxxx> schreef in bericht
> news:67FCA7A4-B2B5-4099-92E3-6204CB8ED213@xxxxxx
> > What is "Vista prof"?
> >
> > "Jan Gruyaert" wrote:
> >
> > > Hi,
> > >
> > > I've been running Windows Vista prof x64 for several months now without > any
> > > issues and decided to upgrade it to premium.
> > > So far this procedure has failed near the end. It reboots multiple > times,
> > > says 'booting windows for the first time', works some time on > 'completing
> > > upgrade' without hanging. There's always disk activity. I think it's
> > > detecting hardware (usb-devices cycle power, screen blanks)
> > > Then I just get the message 'Windows installer encountered an unexpected
> > > error. Verify that the installation sources are accessible and restart > the
> > > installation. Error Code 0xc0000005'
> > > So for I tried copying the contents of my DVD to HD, removed some
> > > incompatinle hardware, removed RAM above 2 GB, but no luck.
> > > Trial and error is very tedious as it takes several hours to get to the
> > > point where it goes wrong.
> > >
> > > Any suggestions?
> > > >
>
>