See this if it could help:
Error Message: Power Policy Manager Unable to Set Policy. Indicates Two
Revision Levels Are Incompatible
http://support.microsoft.com/kb/302713
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Rey
"pestocat" wrote:
> I have WinXP Pro SP3 and I can't get the display screen on a laptop to shut
> down after the prescribed time. In Control Panel I go to Display and Screen
> Saver and the click Power. I set Turn off monitor after 15 minutes. When I
> go up to Power Schemes and click SaveAs I get error message "Indicates two
> revision levels are incompatible." All updates are up to date. What could be
> happening? The screen never shuts down.
> Thank you
>
>
>