January 12, 2021- KB4586876 Cumulative Update Preview for .NET Framework 3.5 and 4.8 for Windows 10 Version 2004
This update for Windows 10 Version 2004 includes cumulative reliability improvements in .NET Framework 3.5 and 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.
Important
This update is included in the Cumulative Update that is dated January 12, 2021. This update was previously released in the Cumulative Update that was dated November 30, 2020.
Quality and reliability improvements
WPF |
Addresses an issue in which a FailFast crash occurs in apps that have two threads that both load application resources. |
Runtime |
Improves the clean-up process for X509Certificate2 certificates. |
1 Windows Presentation Foundation (WPF)
How to obtain and install the update
Install this update
This update will be downloaded and installed automatically from Windows Update.
To get the standalone package for this update, go to the
Microsoft Update Catalog website.
File information
For a list of the files that are provided in this update, download the
file information for cumulative update .
Prerequisites
To apply this update, you must have .NET Framework 3.5 or 4.8 installed.
Restart requirement
You must restart the computer after you apply this update if any affected files are being used. We recommend that you exit all .NET Framework-based applications before you apply this update.