Use the System File Checker tool to repair missing or corrupted system files - Microsoft Support. Windows 8.1 Windows 8.1 Enterprise Windows 8.1 Pro Windows 8 More... If some Windows functions aren't working or Windows crashes, use the System File Checker to scan Windows and restore your files.

Summary. This security update resolves a Microsoft Excel remote code execution vulnerability. To learn more about the vulnerability, see Microsoft Common Vulnerabilities and Exposures CVE-2022-26901. Note: To apply this security update, you must have the release version of Microsoft Office 2016 installed on the computer. Be aware that the ...

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

The Windows Malicious Software Removal Tool (MSRT) helps remove malicious software from computers that are running any of the following operating systems: Windows 10. Windows Server 2019. Windows Server 2016. Windows 8.1. Windows Server 2012 R2. Windows Server 2008 R2. Windows 7. Windows Server 2008.

Error message 1. The Windows Installer Service could not be accessed. Error message 2. Windows Installer Service couldn't be started. Error message 3. Could not start the Windows Installer service on Local Computer. Error 5: Access is denied. Resolution.

Windows Update can help fix problems with your PC. Fix problems using Windows Update is a recovery tool that can help resolve issues related to updates. Using this tool will reinstall the current version of Windows on your device. This tool preserves all your apps, documents, and settings.

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 ...

If you're having problems with Windows 11 on your PC or you want a fresh copy of Windows 11 without the clutter of old files or apps, you can reinstall Windows 11 to try and fix your issues and return your PC to a cleaner state.

This update automatically applies Safe OS Dynamic Update ( KB5034235) to the Windows Recovery Environment (WinRE) on a running PC to address a security vulnerability that could allow attackers to bypass BitLocker encryption by using WinRE. For more information, see CVE-2024-20666.

Release Date: 4/9/2024. Version: OS Build 22000.2899. 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 Windows 11, version 21H2, see its update history page .