I suppose it could be related to keyboard and associated driver, that's another thing to look into...

>> I have an even worse problem on my machine occasionally, something resets the >Tab key to open Win Explorer every time it's depressed every week or two,
>
>have you tried prozac? :-)

Or is it Ritalin they give for wild, hyperactive behavior? :)

>
>>and I have to reboot to reset it. I've looked everywhere, and finally just >given up and learned to live with it :)
>
>thats the thing, isn't it. We at the bleeding edge have learned to live with this stuff. Our granchildren will never believe it of course...

Yes, quirks in the evolution of IT, I guess...