> Hi Bart,
>
> =C2=A0 =C2=A0 I too have had exactly the same problems, unfortunately it =
> bugs with the beta of Virtual PC. =C2=A0Virtual PC 2007 runs absolutely f=
> me, but I can't even install Windows on a fresh VM without having to wait
> hours for the cursor to move around the screen. =C2=A0It's actually as if=
> Host isn't allocating enough CPU time to the VM, one reason I say this is
> that if you run a scan of the hard disk (I used Live OneCare) all the tim=
> the scan is working the speed of the VM increases to usable speeds.
>
> =C2=A0 =C2=A0 Crazy I know lol!
>
> Nick.
>
> "Bart L" <Bart (email address - cut out)> wrote in messagenews:32F48=
>
>
>
> > We're suffering small performance issues when running VMs on 2 of our 4
> > developer machines with Win7 RC Ultimate x64 installed (the other 2
> > machines
> > experience no problems at all).
> > Mouse actions and keyboard actions (cursor movement or typing) have
> > regular
> > mini-freezes which result in a "laggy" experience. CPU usage also seems=
> > jump around between low and high values without any reason, with the
> > taskmanager also freezing up in intervals of half a second or more and
> > using
> > up to 50% of the CPU at certain moments.
>
> > We've already experienced this problem with Windows XP and Windows Serv=
> > 2003 virtual machines. Using remote desktop doesn't fix the problem.
> > I found a small tweak with booting a 2nd virtual machine (let's say a W=
> > VM with 512mb ram) that almost removed the 'laggy' experience, but you =
> > understand this isn't a nice way to work.
>
> > Installing/Enabling/Disabling Integration Features doesn't make a real
> > difference (on first impression).
>
> > All 4 machines (so 2 with problems and 2 without) are running clean Win=
> > RC1
> > x64 installation on an Intel Core2 Duo T7500 @ 2.2GHz, with 4GB of RAM.
> > All
> > other hardware/software (even BIOS version) is the same between these
> > machines.
>
> > I wonder if this is a known issue and if there is any solution to it.- =
>
> - =E6=98=BE=E7=A4=BA=E5=BC=95=E7=94=A8=E7=9A=84=E6=96=87=E5=AD=97 -

> We're suffering small performance issues when running VMs on 2 of our 4
> developer machines with Win7 RC Ultimate x64 installed (the other 2
> machines
> experience no problems at all).
> Mouse actions and keyboard actions (cursor movement or typing) have
> regular
> mini-freezes which result in a "laggy" experience. CPU usage also seems to
> jump around between low and high values without any reason, with the
> taskmanager also freezing up in intervals of half a second or more and
> using
> up to 50% of the CPU at certain moments.
>
> We've already experienced this problem with Windows XP and Windows Server
> 2003 virtual machines. Using remote desktop doesn't fix the problem.
> I found a small tweak with booting a 2nd virtual machine (let's say a Win7
> VM with 512mb ram) that almost removed the 'laggy' experience, but you can
> understand this isn't a nice way to work.
>
> Installing/Enabling/Disabling Integration Features doesn't make a real
> difference (on first impression).
>
> All 4 machines (so 2 with problems and 2 without) are running clean Win7
> RC1
> x64 installation on an Intel Core2 Duo T7500 @ 2.2GHz, with 4GB of RAM.
> All
> other hardware/software (even BIOS version) is the same between these
> machines.
>
> I wonder if this is a known issue and if there is any solution to it.
>

> Hi, there is a "Windows Virtual PC beta" in Microsoft download center:
> http://www.microsoft.com/downloads/details.aspx?displaylang=en&FamilyID=65e1c5eb-df9b-415f-b2d6-27f6ef5dceb9
> It is said for Windows 7 beta, you can have a try.
>

> "(email address - cut out)" wrote:
>> Hi, there is a "Windows Virtual PC beta" in Microsoft download center:
>> http://www.microsoft.com/downloads/details.aspx?displaylang=en&FamilyID=65e1c5eb-df9b-415f-b2d6-27f6ef5dceb9
>> It is said for Windows 7 beta, you can have a try.
>>
>
> This is exactly the piece of software I'm talking about and in which I'm
> experiencing the freezes. This can also be downloaded from:
> http://www.microsoft.com/windows/virtual-pc/
>
>

> We're suffering small performance issues when running VMs on 2 of our 4
> developer machines with Win7 RC Ultimate x64 installed (the other 2 machines
> experience no problems at all).
> Mouse actions and keyboard actions (cursor movement or typing) have regular
> mini-freezes which result in a "laggy" experience. CPU usage also seems to
> jump around between low and high values without any reason, with the
> taskmanager also freezing up in intervals of half a second or more and using
> up to 50% of the CPU at certain moments.
>
> We've already experienced this problem with Windows XP and Windows Server
> 2003 virtual machines. Using remote desktop doesn't fix the problem.
> I found a small tweak with booting a 2nd virtual machine (let's say a Win7
> VM with 512mb ram) that almost removed the 'laggy' experience, but you can
> understand this isn't a nice way to work.
>
> Installing/Enabling/Disabling Integration Features doesn't make a real
> difference (on first impression).
>
> All 4 machines (so 2 with problems and 2 without) are running clean Win7 RC1
> x64 installation on an Intel Core2 Duo T7500 @ 2.2GHz, with 4GB of RAM. All
> other hardware/software (even BIOS version) is the same between these
> machines.
>
> I wonder if this is a known issue and if there is any solution to it.

>I have temporarily 'fixed' the issue with running my webradio in Windows
>Media Player on my host machine. This gives a constant CPU-usage (of 2-3%)
>which seems to be the key to remove the laggy experience in your VPC.
>
>Still looking forward for a real fix though.
>
>Greetings
>Bart

> I have temporarily 'fixed' the issue with running my webradio in Windows
> Media Player on my host machine. This gives a constant CPU-usage (of 2-3%)
> which seems to be the key to remove the laggy experience in your VPC.
>
> Still looking forward for a real fix though.