Used this for version 4.5 Copy file pconfig.dcf from working PC, and put this in the dir of your application, this one includes registration. ECHO. ECHO Installing RecordNow Max 4.5 ECHO Please wait... start /wait %systemdrive%\Install\Applications\RecordNow_Max_4.5\MyCDPro.msi /qb REBOOT=Suppress ECHO. ECHO Installing RecordNow Max 4.5 Finished Try of this works for version 4.61.