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.

First, you'll need to download the troubleshooter. Download troubleshooter. If you see the File Download box when you start downloading, select Run or Open. The troubleshooter provides steps for you to follow. If a program isn't listed in the uninstall options, you'll be asked for that program's product code.

Download all MSU files for KB5050094 from Microsoft Update Catalog and place them in the same folder (for example, C:/Packages). Use Deployment Image Servicing and Management (DISM.exe) to install the target update.

To install this update, use one of the following Windows and Microsoft release channels. None. This update will be downloaded and installed automatically from Windows Update and Microsoft Update. If you want to remove the LCU.

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.

To install this update, use one of the following release channels. This update is available through Windows Update. It will be downloaded and installed automatically. To get the standalone package for this update, go to the Microsoft Update Catalog website.

Get Help has troubleshooters, or diagnostic tests, that can check your system configuration for anything that might be causing issues using your devices. Here's a few of the more common ones. Select any headline, and it will open to display more info: Related topics. Running troubleshooters in Get Help. Microsoft 365 troubleshooters.

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.

This article describes the security and cumulative update for 3.5, 4.8 and 4.8.1 for Windows 10 Version 22H2. Security Improvements. This security update addresses a remote code execution vulnerability detailed in CVE-2025-21176. Quality and Reliability Improvements.

Microsoft released the following security and nonsecurity updates for Office in January 2025. These updates are intended to help our customers keep their computers up to date. We recommend that you install all updates that apply to you.