Wsus not updating
Windows Vista and later provide a Control Panel to configure update settings and check for updates; this was moved to the Settings app in Windows 10.For previous versions of Microsoft Windows, users can download updates from the Windows Update website, using Internet Explorer.Administrators can use WSUS with Group Policy for client-side configuration of the Automatic Updates client, ensuring that end-users can't disable or circumvent corporate update policies.WSUS does not require the use of Active Directory; client configuration can also be applied by local group policy or by modifying the Windows registry. NET Framework, Microsoft Management Console and Internet Information Services.Windows Update was introduced as an Internet web site with the launch of Windows 95.A link to Windows Update on the Start Menu gave access to additional downloads for the operating system.
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.
At the time of Windows 98's release, Windows Update offered additional desktop themes, games, device driver updates, and optional components such as Net Meeting.
Windows 95 and Windows NT 4 were retroactively given the ability to access the Windows Update website, and download updates designed for those operating systems, starting with the release of versions of Internet Explorer 4 for those operating systems.
The first version of the Windows Update web site (usually referred to as "v3") did not require any personally-identifiable information to be sent to Microsoft.
In order for the v3 Active X control to determine what updates were needed, the entire list of available software on Windows Update was downloaded to the user's computer when they visited the Windows Update web site.