Automatic shut-down on Internet

[Teresa]

I have also had the same message on my computer. I don't
know what to do.
>-----Original Message-----
>Although the error message suggests a Windows problem, I
>suspect a virus, though MacAfee 7.0 Home Virus scan
detects
>nothing. Windows shuts down the computer and it restarts:
> When using Internet (Explorer browser)between 1-3
minutes,
>I get a message that Windows will shut down in 60
seconds.
> Here are some of the messages:
>1) NT Authority System, Remote Procedure Call service
will
>shut Windows down
>2) The response from Microsoft, when I "send report" is
>that there is a "Buffer Override in RPC". The interface
>"may allow code execution".
>
>Anybody else had this problem?
>
>Barry
>
>
>
>.
>