Microsoft Malware Protection Engine deployment information
Discusses how to update the Microsoft Malware Protection Engine, including prerequisites, restart, and removal, and how to verify that the updates were installed correctly.
The Windows Driver Policy | Microsoft Support
The Windows Driver Policy The steps depend on which Windows updates are installed. You can check by going to Settings > Windows Update > Update history. Devices with the July 2026 update or a later update On these devices, an administrator can turn off the policy without changing Secure Boot settings: Right-click Start, and then select Terminal (Admin). Run the following command: CiTool.exe ...
Gaming Services Repair Tool for PC | Xbox Support
Learn how to use the Gaming Services Repair Tool to troubleshoot installation and update issues with Gaming Services on PC.
Fix gaming issues with the Xbox app for PC and handhelds
Learn how to troubleshoot problems installing or running games from the Xbox app for PC and handhelds.
Preparing the Windows ecosystem for next-generation code signing
Introduction Microsoft is updating the Windows code-signing infrastructure to replace expiring certificates (CAs), strengthen signing algorithms, and prepare for post-quantum cryptography (PQC). Some applications might fail when Microsoft signing certificates or algorithms change, even when Windows considers the signed file valid and trusted. Developers and software vendors should review all ...
Troubleshoot problems updating Windows | Microsoft Support
Learn how to troubleshoot problems updating Windows. Find answers to common questions and issues installing Windows updates.
Windows Update Troubleshooter - Microsoft Support
Learn how to run Windows Update Troubleshooter to resolve errors downloading or installing Windows updates.
Fix problems that block programs from being installed or removed
The Program Install and Uninstall troubleshooter helps you automatically repair issues when you're blocked from installing or removing programs.
Use the System File Checker tool to repair missing or corrupted system ...
Describes how to use the System File Checker tool to troubleshoot missing or corrupted system files in Windows.
Resolved: Windows Server Update Services sync operations issues and ...
Original publish date: July 20, 2026 KB ID: 5121986 Introduction Microsoft has identified a service degradation due to a buildup of published test detectoids to the Windows Server Update Services (WSUS) channel. The detectoids associated with this issue can be identified by a naming pattern similar to the following: Product Detectoid for ProductName TestProduct% For example, a problem ...