error msg : unknown database user name, password are not define. Ask your database administrator to setup firebird log in.
copy security.fdb from Updater Files folder in the CD into C:\Program Files\Firebird\Firebird_1_5
The common reasons for this error is because users didn't install the security database. Please suggest then to click the autorun.exe in the CD during their first time installation or install the 'QnE Security' in the Autorun Menu.