UPDATED: NOW WORKING & FINAL I just give it a shot today and it works NAVSETUP.reg Windows Registry Editor Version 5.00 [HKEY_LOCAL_MACHINE\SOFTWARE\Symantec\CCPD-LC\KStore\00000082\0000000f\0000001b] "Key"="XXXXXXXXXXXXXXXXXXXXXXXX" NAVSETUP.cmd @echo off ECHO. ECHO Installing Norton Anti Virus 2005 ECHO Please wait... REGEDIT /S %SYSTEMDRIVE%\Install\Applications\NAV2005\NAVSETUP.reg %SYSTEMDRIVE%\Install\Applications\NAV2005\NAVSETUP.exe "/qn /noreboot REBOOT=ReallySuppress" Your serial key should be entered on the registry file "NAVSETUP.reg" Good luck.