Release Date:July 5, 2023

Version: .NET Framework 3.5

The July 5, 2023 update for Windows 10, version 1607 and Windows Server 2016 includes improvements in .NET Framework 3.5. 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.

Summary

Security Improvements

There are no new security improvements in this release.

Quality and Reliability Improvements

CLR1

Addresses an issue where .NET framework 3.5 scenarios might crash during startup whenever an instrumenting profiler is active.

1Common Language Runtime

Known issues in this update

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

How to get this update

Install this update

Release Channel

Available

Next Step

Windows Update and Microsoft Update

No

See the other options below.

Windows Update for Business

No

See the other options below.

Microsoft Update Catalog

Yes

To get the standalone package for this update, go to the Microsoft Update Catalog website.

Windows Server Update Services (WSUS)

No

You can import this update into WSUS manually. See the Microsoft Update Catalog for instructions.

File information

For a list of the files that are provided in this update, download the file information for this update.

Prerequisites

To apply this update, you must have .NET Framework 3.5 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.

How to obtain help and support for this update

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