Describes how to use the System File Checker tool to troubleshoot missing or corrupted system files in Windows 8.1, Windows 8, Windows 7 or Windows Vista.

Follow these steps to automatically diagnose and repair Windows security problems by turning on UAC, DEP protection, Windows Firewall, and other Windows security options and features. Select the Download button on this page.

April 9, 2024—KB5036893 (OS Builds 22621.3447 and 22631.3447) Windows 11 version 22H2, all editions More... The new end date is June 24, 2025 for Windows 11, version 22H2 Enterprise and Education editions. Home and Pro editions of version 22H2 will receive non-security preview updates until June, 26, 2024. After these dates, only cumulative ...

An attacker who successfully exploited the vulnerability might bypass secure boot and load untrusted software. This security update addresses the vulnerability by adding the signatures of the known vulnerable UEFI modules to the DBX. To learn more about this security vulnerability, see the following advisory:

Choose the apps that will run when you start your device. Go to Start > Settings > Apps > Startup. Open Startup settings. For any app in the list, select the toggle to set it to On. If you want to change the advanced settings for that app, select the arrow and make changes as desired.

Release Channel. Available. Next Step. Windows Update and Microsoft Update. Yes. This update is available through Windows Update. It will be downloaded and installed automatically.

Windows 10 Windows 11. Summary. Microsoft Update Health Tools is offered to devices through Windows Update as update KB4023057. This update is applicable for both Windows consumer and commercial devices, with a slightly different purpose and functionality.

On November 30, 2022, an out-of-band update was released to improve the Windows 10, version 2004, 20H2, 21H1, 21H2, and 22H2 out-of-box experience (OOBE). It provides eligible devices with the option to upgrade to Windows 11 as part of the OOBE process.

Summary. This update makes quality improvements to the servicing stack, which is the component that installs Windows updates. Servicing stack updates (SSU) makes sure that you have a robust and reliable servicing stack so that your devices can receive and install Microsoft updates.

April 9, 2024 Security update (KB5036909) Azure Stack HCI, version 22H2. Release Date: 4/9/2024. Version: OS Build 20349.2402. For information about Windows update terminology, see the article about the types of Windows updates and the monthly quality update types . For an overview of Azure Stack HCI, version 22H2, see its update history page .