Setting and updating of system components
If this service is disabled, users of this computer will not be able to use Windows Update or its automatic updating feature, and programs will not be able to use the Windows Update Agent (WUA) API.Windows Update, a service offered by Microsoft, provides updates for Windows components.Doing so will take you back to the main screen where you can carry out other operations if you wish.Once done, you should restart your Windows computer.But there are situations where your app can’t be served over the web.And sometimes your users need your app to run even when they don’t have internet access.The Windows Update Control Panel also has the function of downloading Windows Ultimate Extras, optional software for Windows Vista Ultimate Edition.
Windows Update Troubleshooter is another tool that can help you fix Windows Update problems.
Note: Occasionally you will need to install a previous version before updating to the latest version.
This info is usually found in the "Important Information" section.
Developers can even put a “check for updates” item in their context menus.
Enables the detection, download, and installation of updates for Windows and other programs.