[MichelangeloITA]

Ok Lynne thank you so much
I did everything with Mysqldumper, but now I get this during the upgrade process:

Database error in vBulletin 4.0.8:

Invalid SQL:
SELECT * FROM vbusergroup ORDER BY title;

MySQL Error : Table 'dbname.vbusergroup' doesn't exist
Error Number : 1146
Request Date : Monday, January 10th 2011 @ 08:38:45 PM
Error Date : Monday, January 10th 2011 @ 08:38:45 PM
Script : http://www.mydomain.it/install/finalupgrade.php?step=1
Referrer : http://www.mydomain.it/install/finalupgrade.php
IP Address : xx.xxx.xxx.xx
Username :
Classname : vB_Database
MySQL Version : 5.0.91-community

@___@

--------------- Added [DATE]1294715543[/DATE] at [TIME]1294715543[/TIME] ---------------

Solved

Thank's Lynne and Brak710