Below is a summary of the key issues that this update addresses when you install this KB. If there are new features, it lists them as well. The bold text within the brackets indicates the item or area of the change we are documenting.

NET 8.0 has been refreshed with the latest update as of January 14, 2025. This update contains both security and non-security fixes. See the release notes for details on updated packages. .NET 8.0 servicing updates are upgrades. The latest servicing update for 8.0 will remove the previous 8.0 update upon successful installation.

When you try to access or work with files and folders in Windows, you experience one or more of the following issues: Issue 1: You receive an "Access Denied" error message or a similar message. Issue 2: You cannot access, change, save, or delete files and folders. Issue 3: You cannot open a file or folder after you install a new version of Windows.

When critical Windows system files are missing or corrupted, some Windows features may stop working correctly or Windows may stop responding altogether. If this happens, you can use the Deployment Image Servicing and Management tool (DISM) and the System File Checker tool (SFC) to scan your system files and restore any corrupted or missing files.

Following the installation of the October 2024 security update, some customers report that the OpenSSH (Open Secure Shell) service fails to start, preventing SSH connections. The service fails with no detailed logging, and manual intervention is required to run the sshd.exe process.

These issues occur because the MFC implementation of Visual C++ 2013 contains incorrect code for handling high-DPI mode. A fix is available for this MFC implementation, and the fix does not require affected applications to be recompiled.

To access the code, you'll need a tool for reading MSI files—which is typically available to IT professionals. You'll find the product code in the property table of the MSI file. The troubleshooter helps fix problems that: Corrupt registry keys on 64-bit operating systems. Corrupt registry keys that control the update data.

Download and install the PC Health Check app. The PC Health Check app can be downloaded from the following link: Right-click on the Start menu and select Search . Under Best match, select PC Health Check from the list of results. In the PC Health Check windows that opens, select the Check now button.

Microsoft Visual Studio 2015 creates a dependency on the Universal CRT when applications are built by using the Windows 10 Software Development Kit (SDK). You can install this update on earlier Windows operating systems to enable these applications to run correctly. This update is available from Windows Update.

Windows Backup allows you to back up a wide range of items, including files, themes, settings, installed apps, and Wi-Fi information. This feature is designed to make it easier for users to transition to a new device by restoring their backed-up data seamlessly. To use Windows Backup, you need to sign in with your Microsoft account.