try this command, 100% working fine 1) Extract NetFrame v2.0 & v3.5 to folder 2) DO NOT EXTRACT ANY Netframe v4.0 ( because it does not work, has to be download version to run) Example:- ECHO Installing Security Update for Microsoft .NET Framework 2.0... e:\NF\net2\install.exe /qb! ECHO Installing Security Update for Microsoft .NET Framework v3.5 SP1 e:\NF\netfsp\dotNetFx35setup.exe /q /norestart ECHO Installing Security Update for Microsoft .NET Framework 4.0... e:\NF\Net4.exe /passive /norestart or REG ADD %KEY%\0290 /VE /D "Installing NetFrameWork v2.0..." /f REG ADD %KEY%\0290 /V 1 /D "%systemdrive%\App\net2\install.exe /qb!" /f REG ADD %KEY%\0340 /VE /D "Installing NetFrameWork v3.5 SP1" /f REG ADD %KEY%\0340 /V 2 /D "%systemdrive%\App\netfsp\dotNetFx35setup.exe /q /norestart" /f REG ADD %KEY%\0390 /VE /D "Install NetframeWork 4.0..." /f REG ADD %KEY%\0390 /V 3 /D "%systemdrive%\App\Net4.exe /passive /norestart" /f
