Microsoft Silverlight has some problem currently in its installer package,when we try to update/uninstall/reinstall.

Follow steps to remove traces of it,so that reinstall is success.

Step1>Start>Run

reg delete HKLM\Software\Microsoft\Silverlight /f

Step2> Start>Run

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

Step3>LogOff ,Login again,install Silverlight now.

Step4>It works! :)