"Error 1719:The Windows Installer service could not be accessed" V

> My trouble is related to new beta 2 of Vista, and in facts is the same
> reported by that page:
>
> http://support.microsoft.com/default...b;en-us;315346
>
> but related to Vista OS.
>
> how can I properly re-register or reinstall windows installer on Vista?
>
> my Vista is a x64 OS beta 2
>
> my pc:
>
> Athlon 64 3200 +
>
> 2 GB ram ddr
>
> geforce 6600 GT with latest NVIDIA Vista driver
>
> creative audigy 2 platinum (still without a driver installed)
>
> Vista hd partition: 42 GB on a SATA maxtor 152 GB drive
>
>
>
> I installed some windows 32 bit applications, like spybot SD
>
> http://www.spybot.com/
>
> but after some successfull run they doesn't work anymore, prompting always
> this error message:
>
> "this application has failed to start because ole32.dll was not found.
> Re-installing the application may fix this problem"
>
> but in facts, when I try to reinstall the application, the system prompt me
> the error related to windows installer corrupt installation -.-
>