Issue:
In a scenario that you have enabled some of the roles on the system and have chosen not to reboot the system. Later you wanted to run the Windows Update to have the newly installed roles updated with respective patches.
Fix:
In such a case, Windows Update gets stuck up midst of downloading the updates and never finishes the download. In order to get the latest updates to the newly installed roles, you have to reboot the system and then run the Windows Update.
