SCCM client installation faulure Silverlight.exe returned failure exit code 1625 fail the installation

Silverlight.exe returned failure exit code 1625 fail the installation - SCCM 2012 R2 client

When previous installation or un-installation of silverlight is corrupt, this is expected error code. and client installation will fail.

Solution for this is run a cleanup for Silverlight using  commands provided below. 

_________________________________________________________________________________

reg delete HKLM\Software\Microsoft\Silverlight /f

reg delete HKEY_CLASSES_ROOT\Installer\Products\D7314F9862C648A4DB8BE2A5B47BE100 /f

reg delete HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Installer\Products\D7314F9862C648A4DB8BE2A5B47BE100 /f

reg delete HKEY_CLASSES_ROOT\TypeLib\{283C8576-0726-4DBC-9609-3F855162009A} /f

reg delete HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\App Paths\install.exe /f

reg delete HKEY_CLASSES_ROOT\AgControl.AgControl /f

reg delete HKEY_CLASSES_ROOT\AgControl.AgControl.5.1 /f

reg delete HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{89F4137D-6C26-4A84-BDB8-2E5A4BB71E00} /f

rmdir /s /q "%ProgramFiles%\Microsoft Silverlight"

rmdir /s /q "%ProgramFiles(x86)%\Microsoft Silverlight"

_________________________________________________________________________________

Once done you can install SCCM 2012 R2 Client successfully.

Cheers !!