Problem Upgrading from 8.0 to 8.1 (WinXP) ...not still solved!!

Hi,

I have Still the same problems with the upgrading from 8.0 to 8.1.

I uninstalled the old version first and then i installed the 8.1 release
with an error message about ssleay32 library and some error messages about
the «Activating procedural languages...» as this

************************************
*** from postgresql-8.1.log file ***
************************************
[...]
Action 11.55.11: InstallPl. Activating procedural languages...
MSI (s) (78:6C) [11:55:11:765]: Executing op:
CustomActionSchedule(Action=InstallPl,ActionType=1025,Source=BinaryData,Target=InstallPl(at)4,CustomActionData=1033;postgres;postgres;5432;C:\Programmi\PostgreSQL\8.1\share\;1;;;;;;;)
MSI (s) (78:D8) [11:55:11:828]: Invoking remote custom action. DLL:
C:\WINDOWS\Installer\MSI3F.tmp, Entrypoint: InstallPl(at)4
MSI (c) (A0:A4) [11:55:24:453]: Note: 1: 2205 2: 3: Error
MSI (c) (A0:A4) [11:55:24:453]: Note: 1: 2228 2: 3: Error 4: SELECT
`Message` FROM `Error` WHERE `Error` = 2867
DEBUG: Error 2867: The error dialog property is not set
The installer has encountered an unexpected error installing this package.
This may indicate a problem with this package. The error code is 2867. The
arguments are: , ,
MSI (c) (A0:A4) [11:55:24:468]: Font created. Charset: Req=0, Ret=0,
Font: Req=MS Shell Dlg, Ret=MS Shell Dlg

Failed to connect to the database. Procedural languages files are
installed, but are not activated in any databases.
[...]
************************************

So the problem is simple:
Connecting by PgAdmin (but also by psql.exe), in the filelog appears this

*****************************
*** from pgadmin.log file ***
*****************************
[...]
2005-11-10 12:48:55 INFO : Destroying an options dialogue
2005-11-10 12:48:57 INFO : Attempting to create a connection object...
2005-11-10 12:48:57 INFO : Creating a connect dialogue
2005-11-10 12:49:03 INFO : Destroying a connect dialogue
2005-11-10 12:49:04 STATUS : Connecting to database...
2005-11-10 12:49:04 INFO : Creating pgConnBase object
2005-11-10 12:49:04 INFO : Server name: localhost (resolved to:
127.0.0.1)
2005-11-10 12:49:04 INFO : Opening connection with connection string:
host='localhost' hostaddr='127.0.0.1' dbname='postgres' user='postgres'
password='postgres' port=5432
2005-11-10 12:49:04 STATUS : Connecting to database... (0,33 secs)
2005-11-10 12:49:04 ERROR : Error connecting to the server: server closed
the connection unexpectedly
This probably means the server terminated abnormally
before or while processing the request.

2005-11-10 12:49:05 INFO : Destroying pgConnBase object
*****************************

I uninstalled and installed again postgres-8.1, also removing manually any
keys and values from the Windows registry before reinstalling, but with
same results.

Why????

Where are problems?

Thanks.
Fra.
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