June 17, 2021 – KB5003304 Update for .NET Framework 4.8 for Windows 10, version 2004, Windows Server, version 2004, Windows 10 version 20H2, Windows Server version 20H2 and Windows 10 Version 21H1

Release Date:
June 17, 2021

Version:
.NET Framework 4.8

The June 17, 2021 update for Windows 10, version 2004, Windows Server, version 2004, Windows 10, version 20H2, Windows Server, version 20H2, and Windows 10 Version 21H1 includes a reliability improvement in .NET Framework 4.8.

Windows Forms

Addresses an issue in Property Grid control to prevent incorrect data read in some scenarios in 64 bit processes.

File name

File version

File size

System.windows.forms.dll

4.8.4375.0

5,915,896

To apply this update, you must have .NET Framework 4.8 installed.

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.

Microsoft is not currently aware of any issues in this update.

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