Hi try updating to setpoint 4 available here
http://www.logitech.com/index.cfm/434/192&cl=gb,en
I am useing it with Vista Ultima X64 with no problems
"Jirnsum" wrote:
> I installed KB938979 this afternoon. Since then I had to reconnect my
> Logitech MX5000 keyboard and mouse after every reboot. Even after
> reconnecting it I couldn't type straight. The keyboard icon on the taskbar
> kept flickering. When it was there I could type, when it was gone I could
> not. Very frustrating. De-installed KB938979 and now it works again. You guys
> might want to hold off on distributing this one in the weekly update.
>
> FYI: Windows Vista Ultimate, Logitech Setpoint 3.30.165
>
> If you need more info let me know