kraada wrote:Try moving the data directory elsewhere, (say C:\data\backup\ for now), so that the entire C:\Program Files\PostgreSQL\8.3\data directory is completely empty.
The reinstall should complete normally then, at which point you should be able to overwrite the new (and empty) data directory in C:\Program Files\PostgreSQL\8.3\data\ directory with the backup of the data directory and that may do the trick for you.
I tried this, but it didn't work.