Thanks ! Excellent guide,followed all the instructions,very easily made the silent installer.Installation of the application went smoothly,but however,at the end,when it got installed it gave an error " Registration_Removal.cmd" was not found,plz check you typed the right path for it . Although the Application is installed and works properly.What is this pop error and how to correct it ? Secondly,how it can be integrated with nlite as an add-on and also in unattended slipstreaming via winnt.sif or oem distribution ? Cheers !