This article describes how to use the Compatibility Administrator utility that is included in the latest Microsoft Application Compatibility Toolkit for Microsoft Windows. Compatibility Administrator is a tool that includes prepackaged fixes that provide an easy way to fix a program that may not run correctly under Windows.

Microsoft .NET Framework security updates support different command-line switches. Which switches are supported depends on the chain installer that is used to build the update package.

We recommend that you install update KB 2919355 on your Windows 8.1-based, Windows RT 8.1-based, or Windows Server 2012 R2-based computer so that you receive updates in the future. If you install a language pack after you install this update, you must reinstall this update.

The Microsoft .NET Framework 4.8 is a highly compatible, in-place update to the Microsoft .NET Framework 4, 4.5, 4.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1 and 4.7.2. The offline package can be used in situations in which the web installer cannot be used because of lack of Internet connectivity.

Release Date: June 13, 2023. Version: .NET Framework 3.5, 4.8 and 4.8.1. Note: Revised Jun 15, 2023 to correct the wording of the known issue to X.509 certificate. Revised on Jun 20, 2023 to fix the link for CVE-2023-32030. Summary. This article describes the Cumulative Update for 3.5, 4.8 and 4.8.1 for Windows 10 Version 21H2.

To resolve this issue, install update for .NET Framework 4.8 for Windows 7 SP1 and Server 2008 R2 SP1 KB4533005. How to obtain and install the update Microsoft Update Catalog

Addresses an issue with a non-paged pool (NPP) leak from the UxSF pool tag. This leak occurs when lsass.exe stops processing asynchronous Security Support Provider Interface (SSPI) calls.

Microsoft .NET Framework 4.7.2 is a highly compatible and in-place update to .NET Framework 4.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, and 4.7.1. However, it can run side-by-side with .NET Framework 3.5 Service Pack 1 (SP1) and earlier versions of .NET Framework.

When you install an update for the Microsoft .NET Framework 4, the Native Image Generator (NGen.exe) uses a high percentage of the CPU cycles on the computer for a long time. This time varies with how many Native Images are installed on the computer.

Running Windows Update Standalone Installer (wusa.exe) with the /uninstall switch on the combined package will not work because the combined package contains the SSU. You cannot remove the SSU from the system after installation.