Windows KB5064401 Update: Overview and Key Enhancements

Microsoft recently released the KB5064401 cumulative update for Windows 11 version 24H2. This update focuses on improving the reliability and security of the .NET Framework 3.5 and 4.8.1, along with addressing minor bugs and enhancing system stability.

What Does KB5064401 Include?

Security Updates: Includes all previously released security fixes for .NET Framework, helping to safeguard systems from vulnerabilities.
Reliability Improvements: Addresses various reliability issues within .NET Framework 3.5 and 4.8.1 to enhance overall application stability.
Bug Fixes: Corrects specific problems such as error logging issues in ASP.NET and updates related to certificate handling for Chinese language changes in the Windows Presentation Foundation (WPF).

Who Should Install KB5064401?

This update is recommended for all users running Windows 11 24H2 who utilize .NET Framework-based applications. Applying KB5064401 helps maintain optimal security and performance for these systems.

How to Install the Update

The update is delivered automatically via Windows Update.
Alternatively, users can manually download and install it from the Microsoft Update Catalog if desired.

Known Issues and Notes

Currently, Microsoft has not reported any known issues with KB5064401, indicating a smooth rollout for most users.

Conclusion

The KB5064401 update is a vital maintenance release that ensures the continued security and reliability of Windows 11’s .NET Framework components. Users should ensure this update is applied promptly to benefit from the enhancements and protections it provides.