Eduardo,
> ¿Does anybody has installed Postgres 8.0 on Windows using the MSI
> Installer file that provides Postgresql Web Page using a FAT32 Partition?
Well, advice #1: Don't do this. Use an NTFS partition.
> If you wish to install the data directory on another type of partition
> (which is not recommended, and is unsupported) you must initialise the
> database cluster manually by running initdb.exe
>
> How can I fix it?
That seems pretty clear to me. Using FAT32 is a bad idea, if you want to do
it anyway, you'll have to run initdb.exe manually, from the command line.
--
--Josh
Josh Berkus
Aglio Database Solutions
San Francisco