David,
I have ran ShowMan as administrator as you suggested and it works!
Probably Vista needs administrator rights in order to modify the
registry entries or, at least, to keep the updates.
Thanks for your suggestion.

Ciao

Gabrio

--- In DavidTaylorsSoftware@yahoogroups.com, "David J Taylor"
<gm8arv@...> wrote:
>
> glbgrg wrote:
> > Hi,
> > I have just installed ShowMan 6.0.0 on Vista Business and verified
> > that the Enable "Usage Pie Chart" menu item is correctly setup.
> > But when I right-click on an item in Explorer there is no such
> > options...
> > Any suggestion? Btw, Vista is in Italian.
> >
> > Thanks and regards
> >
> > Gabrio
>
> Gabrio,
>
> You should run the program at least once, select View, Options...,
the
> Right-click tab, and check the Enable "Usage Pie Chart" menu item.
Then
> close the program. It sounds as if you have already some that,
though.
>
> If this does not work, just once, try right-clicking ShowMan.exe,
and
> select "Run as administrator". Perhaps that is required on Vista?
>
> I only have one Vista PC, and the program does work as advertised
there,
> but I may have "Run as administrator" and forgotten to document
this! On
> checking the code this is quite likely to be the case, as the
program does
> try to write to the registry keys:
>
> HKCR\Directory\shell\UsagePieChart
> HKCR\Directory\shell\UsagePieChart\command
>
> HKCR\Drive\shell\UsagePieChart
> HKCR\Drive\shell\UsagePieChart\command
>
> and I don't know whether or how Vista virtualises those keys.
>
> I hope that helps.....
>
> Cheers,
> David
> --
> SatSignal software - quality software written to your requirements
> Web: http://www.satsignal.eu
> Email: davidtaylor@...
>