Error: Display Driver R300 stopped respponding

I am now getting the following error message most times when I swicth on my
PC (new PC with Vista Ultimate):

"Display Driver R300 stopped responding and has recovered".

Is this serious? What is wrong? What can I do to fix it?

--
Thanks very much for your help.
Steve

Please stick to the discussion you already started in the other newsgroup.

--
Richard G. Harper [MVP Shell/User] rgharper@gmail.com
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"Steve" <Steve@discussions.microsoft.com> wrote in message
news:48557E17-3680-44FF-A539-5BFCACC9B05F@microsoft.com...
>I am now getting the following error message most times when I swicth on my
> PC (new PC with Vista Ultimate):
>
> "Display Driver R300 stopped responding and has recovered".
>
> Is this serious? What is wrong? What can I do to fix it?
>
> --
> Thanks very much for your help.
> Steve