i'm surprised you didn't get an answer yet...
http://windowsxp.mvps.org/repairwmi.htm
the comprehensive rebuild method worked for me
when i couldn't get any system info
nor advanced tab info in networking stuff
thanks to a MVP who pointed me there
mike.
"Sean 3DD" <(E-Mail Removed)> wrote in message
news:A152D262-DF45-4941-A43B-(E-Mail Removed)...
>A couple of weeks ago under the advanced tab of properties for my broadband
> connection properties, the facility to share the connection vanished, to
> be
> replaced by a message stating that the WMI information might be corrupted
> and
> that I should use system restore. I tried restoring but the restore points
> all failed. No reason given.
>
> Any ideas on how to recover the advanced tab options and or restore the
> restore!
>
> I have over a years worth of finely tuned applications which I would
> rather
> not lose through a major re-install o the OS.
>
> thanks in anticipation
>
> Sean3DD