> Hello All,
>
> I'm having a strange problem after installing VPC2004 SP1.
> The host OS is Windows 2000 Professional SP4.
> The guest OS is Windows NT 4.0 Workstation SP6a with VM Additions.
> The guest OS uses "hal.dll.softex" extracted from SP installation as
> "hal.dll" in order to
> enable power management (in the case of virtual PC this means the VPC
> window
> on
> the host PC would close automatically when the guest OS has been
> shutdown).
> Everything worked fine before installing VPC SP1. Now (with SP1) power
> management
> in the guest OS does not work any more. And a strange thing happens with
> CPU
> utilization.
> When the virtual machine with NT4 is running the host (real) CPU is 100%
> occupied by
> "VirtualPC.exe" even if the guest (virtual) CPU is idle and there is no
> virtual HDD or network
> activity. The problem disappears if I replace SoftEx "hal.dll" back with
> the
> original one.
>
> I'm wondering whether anyone else has experienced this kind of problem?
> Is there a known solution or a workaround? (Or at least an explanation?)
>
> P.S. I did not forget to reinstall VM additions after upgrading to SP1. I
> even tried to make a new
> clean installation of the guest OS, but the problem persists.
>
> --
> Sergei
>
>

> Does your computer use one of the new Prescott cpu's?
>
> --
> Colin Barnhorst [MVP Windows - Virtual Machine]
> "Sergei Zhirikov" <(email address - cut out)> wrote in message
> news:CMWFd.97102$(email address - cut out)...
> > Hello All,
> >
> > I'm having a strange problem after installing VPC2004 SP1.
> > The host OS is Windows 2000 Professional SP4.
> > The guest OS is Windows NT 4.0 Workstation SP6a with VM Additions.
> > The guest OS uses "hal.dll.softex" extracted from SP installation as
> > "hal.dll" in order to
> > enable power management (in the case of virtual PC this means the VPC
> > window
> > on
> > the host PC would close automatically when the guest OS has been
> > shutdown).
> > Everything worked fine before installing VPC SP1. Now (with SP1) power
> > management
> > in the guest OS does not work any more. And a strange thing happens with
> > CPU
> > utilization.
> > When the virtual machine with NT4 is running the host (real) CPU is 100%
> > occupied by
> > "VirtualPC.exe" even if the guest (virtual) CPU is idle and there is no
> > virtual HDD or network
> > activity. The problem disappears if I replace SoftEx "hal.dll" back with
> > the
> > original one.
> >
> > I'm wondering whether anyone else has experienced this kind of problem?
> > Is there a known solution or a workaround? (Or at least an explanation?)
> >
> > P.S. I did not forget to reinstall VM additions after upgrading to SP1.
> > even tried to make a new
> > clean installation of the guest OS, but the problem persists.
> >
> > --
> > Sergei
> >
> >
>
>