I try as you said and it works in .cmd file but in RunOnceEx didn't work. I try 2 ways: RunOnceEx REG ADD %KEY%\001 /VE /D "Office 2003 Professional" /f REG ADD %KEY%\001 /V 1 /D "%CDROM%\software\Office2003\setuppro.exe TRANSFORMS=Unattended.MST /qb-" /f and REG ADD %KEY%\001 /VE /D "Office 2003 Professional" /f REG ADD %KEY%\001 /V 1 /D "%CDROM%\software\Office2003\setuppro.exe TRANSFORMS="%CDROM%\software\Office2003\Unattended.MST /qb-" /f and Acrobat don't work to REG ADD %KEY%\000 /VE /D "Acrobat Reader 6.0" /f REG ADD %KEY%\000 /V 1 /D "%CDROM%\software\AdobeReader6\AdbeRdr60_enu_full.exe -p"-s /v\"/qn\""" /f other applications work just fine like media player 10, Sun Java, Nero 6.6.0.1. What I made wrong.