I am no expert. But if that happened to me, I would want to run an updated
antivirus program before trying anything else. Mind you, in the same
circumstances I would be thinking of wiping the hard drive and rebuilding the
whole computer from scratch. Assuming, of course, that you have backed up
your data first.

"DanA" wrote:

>
> I am using Vista Ultimate x64 Build 6001 SP1.
> Intel® Core(TM)2 CPU 6700 @ 2.66GHz 2.66 GHz Memory (RAM) 4.00 GB
> The behavior described below started suddenly, apparently after I
> reinstalled VS 2005.
> Some of the symptoms are:
>
> - When I click on System Restore I get (as expected) the dialog box
> “Windows needs your permission to continue” ; I click Continue.
> Apparently nothing happens.
> I repeat the above and I get the message “The System Restore wizard
> is already running.” However, it is not visible.
> - Task Manager also remains invisible.
> - When I click on “Turn Windows features on and off” the “Windows
> Features” box is displayed with “Please wait...” but nothing happens.
> - When trying to uninstall an update, Windows Installer displays
> "Preparing to install..." and remains so forever. Click Cancel, after
> 10 min or so “Install server is not responding”.
> - Frequently Visual Studio and the Office 2007 programs go in No
> responding mode and I must reboot.
> - When I shut down the computer "Logging off " is displayed until I
> use the hardware shut down button.
> - Chkdsk found nothing wrong.
> - Sfc /scannow doesn’t start.
> - The same in Safe Mode.
> - When I try to start from the DVD the Vista background is displayed
> with the mouse cursor but then nothing.
> Is there a way out?
> Thank you very much,
> Dan
>
>
> --
> DanA
>