I have the 4000 keyboard and the 5000 mouse and I experience the same
problem. Causes spellchecker nightmares. This didn't happen with my old
Logitech wireless laser setup.

--

Don't pick a fight with an old man.
If he is too old to fight, he'll just kill you.



"R. C. White" <rc@grandecom.net> wrote in message
news:ea91%23I5zJHA.6004@TK2MSFTNGP02.phx.gbl...
> Hi, Jrz.
>
> There are many possible factors and you've given us NOTHING to work with.
> :>(
>
> Which version of Vista? Make and model keyboard? What driver? Any other
> keyboard software, such as IntelliType? Which version of that? Is the
> keyboard wireless? Have you downloaded the latest drivers from the
> manufacturer's website?
>
> Several of us have experienced episodes of a "stuck" Ctrl or Alt key,
> producing a <Ctrl>+<C> when we meant just "C", for example. And my
> Microsoft Wireless Laser Keyboard 6000 v.3.0 often seems to just DIE for a
> minute or so, often right in the middle of a word. And it often produces
> "IF" when I'm sure I typed "If", as though I didn't release the Shift key
> quickly enough, but I'm too good a typist to make that mistake that often.
>
> There are settings in Control Panel that you can adjust to fit your typing
> speed. Only you can tell if there is enough control available there to do
> you any good.
>
> Until you tell us more about your computer and keyboard, that's about all
> we can tell you.
>
> RC
> --
> R. C. White, CPA
> San Marcos, TX
> rc@grandecom.net
> Microsoft Windows MVP
> Windows Live Mail 2009 (14.0.8064.0206) in Win7 Ultimate x64 RC 7100
>
> "Jrz" <jrz@nospam.com> wrote in message
> news:OvUKms0zJHA.6132@TK2MSFTNGP04.phx.gbl...
>> I type really fast. Not necessarily accurately, but fast. It's not
>> unusual
>> that the OS starts doing weird things, like opening history or
>> closing/switching windows, etc.
>>
>> I'm not hitting the Control or Alt keys, just regular alphanumeric keys,
>> so
>> it's somehow interpreting very quick hits on normal keys incorrectly. Is
>> there
>> anything I can do to avoid the problem? Thanks.
>