Problems with Initdb in WindosXP

Hello, i'm new in postgresql, i install it on windows xp and when i try to initdb they hangup
Next are the secuence ...

$ initdb -D /usr/share/postgresql/data
The files belonging to this database system will be owned by user "parias".
This user must also own the server process.

creating directory /usr/share/postgresql/data... ok
creating directory /usr/share/postgresql/data/base... ok
creating directory /usr/share/postgresql/data/global... ok
creating directory /usr/share/postgresql/data/pg_xlog... ok
creating directory /usr/share/postgresql/data/pg_clog... ok
creating template1 database in /usr/share/postgresql/data/base/1...

I use cgywin, cgyipc1.13.1 and postgresql7.3.2

Any idea about this problem ?

Thanks

Pedro
Rosario-Argentina