Am trying to install with the following batch file msiexec /qb+ /l*v "C:\psql_installer\log.txt" /i postgresql-8.2.msi INTERNALLAUNCH="1" ADDLOCAL=server,psql SERVICEDOMAIN="%COMPUTERNAME%" CREATESERVICEUSER="1" SERVICEACCOUNT="pg82" SERVICEPASSWORD="pg82" SUPERUSER="postgres" SUPERPASSWORD="06969" BASEDIR="C:\PostgreSQL" This generates the error message "PostgreSQL MUI Wrapper 8.2 Setup Failed" The logfile shows MSI (s) (90:30) [14:12:30:969]: Note: 1: 1708 MSI (s) (90:30) [14:12:30:969]: Note: 1: 2205 2: 3: Error MSI (s) (90:30) [14:12:30:969]: Note: 1: 2228 2: 3: Error 4: SELECT `Message` FROM `Error` WHERE `Error` = 1708 MSI (s) (90:30) [14:12:30:969]: Note: 1: 2205 2: 3: Error MSI (s) (90:30) [14:12:30:969]: Note: 1: 2228 2: 3: Error 4: SELECT `Message` FROM `Error` WHERE `Error` = 1709 MSI (s) (90:30) [14:12:30:969]: Product: PostgreSQL MUI Wrapper 8.2 -- Installation failed. 1708 - Installation Operation Failed 1709 - Product: [2] -- [3] 2205 - Database: [2]. Table does not exist: [3] 2228 - Database: [2]. Unknown table '[3]' in SQL query: [4]