About Microsoft .NET Framework 4.8. Microsoft .NET Framework 4.8 is a highly compatible and in-place update to .NET Framework 4.7, 4.7.1 and 4.7.2. However, it can run side-by-side with .NET Framework 3.5 Service Pack 1 (SP1) and earlier versions of .NET Framework.

First, you should try checking for updates again. If you need help, see Update Windows 10. If you receive the same message and error on subsequent retries, try this workaround to mitigate the issue: Select the start button and type cmd. Right click or long press on Command Prompt and select Run as administrator.

Servicing stack updates (SSU) makes sure that you have a robust and reliable servicing stack so that your devices can receive and install Microsoft updates. This update also addresses an issue that might prevent the CVE-2020-0689 update from installing.

The December 10, 2019 update for Windows 10 Version 1703 includes cumulative reliability improvements in .NET 4.8. We recommend that you apply this update as part of your regular maintenance routines. Before you install this update, see the Prerequisites and Restart requirement sections.

An attacker who successfully exploited the vulnerability could disclose contents of an affected system's memory. To exploit the vulnerability, an authenticated attacker would need to run a specially crafted application. The update addresses the vulnerability by correcting how the .NET Framework handles objects in memory.

Cumulative Updates for .NET Framework 4.8 are new starting with Windows 10 Creators Update (version 1703). On the left side of this page, you can find a list of all the cumulative updates for .NET Framework 4.8 that were released for this version of Windows.

This update for Windows 10 Version 1803 includes cumulative reliability improvements in .NET 4.8. We recommend that you apply this update as part of your regular maintenance routines. Before you install this update, see the Prerequisites and Restart requirement sections.

For version 2004, 20H2, 21H1, and 21H2 devices that receive updates directly from Windows Update, devices automatically get the enablement package by installing the feature update to Windows 10, version 22H2.

This update makes quality improvements to the servicing stack, which is the component that installs Windows updates. Servicing stack updates (SSU) makes sure that you have a robust and reliable servicing stack so that your devices can receive and install Microsoft updates.

The enablement package is a great option for installing a scoped feature update like Windows 10, version 21H2 as it enables an update from version 2004, or 20H2, or 21H1 to version 21H2 with a single restart, reducing update downtime. This enables devices to take advantage of new features now.