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Windows Security Update - Microsoft Support
Learn how to get the latest updates for Windows Security platform, which includes the Windows Security app and its service. The update file name is sechealthui.exe and you can download it manually or run a powershell command.
Automatically fix Windows security issues - Microsoft Support
Windows 7 Windows 8.1 Windows 10. 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.
Turn Windows Security on or off - Microsoft Support
Security Windows 10. When you get a new device and start up Windows 10 for the first time, the antivirus protection that comes installed with the device is your default security app. However, Windows Security is pre-installed and ready for you to use at any time.
Use the System File Checker tool to repair missing or corrupted system ...
If the steps above don't work, you may need to reinstall Windows. For more info, see Windows 10 recovery options. 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.
Check your device performance and health in Windows Security
Security Windows 10 Windows 11. To help you keep your device secure, Windows Security monitors your device for security issues and provides a health report, which appears on the Device performance & health page. The Health report alerts you to common issues in four key areas and offers recommendations to remedy them.
How to use the PC Health Check app - Microsoft Support
Windows 11 Windows 10. PC Health Check app brings you up to date info on your Windows device health, helping you take action to improve your device performance and troubleshoot performance problems. It is periodically updated based on customer feedback to help you make the most of your Windows PC. How to open PC Health Check.
KB5005463—PC Health Check Application - Microsoft Support
UPDATED 4/21/22. Summary. This update installs the PC Health Check application onto Windows 10,version 20H2 and later devices. However, we will not install PC Health Check on Windows 11 devices. PC Health Check includes diagnostics to monitor device health and troubleshooting to improve performance, all from the convenience of a single dashboard.
Help protect my PC with Microsoft Defender Offline
Microsoft Defender Offline is a powerful offline scanning tool that runs from a trusted environment, without starting your operating system. When should I use Microsoft Defender Offline? Run Microsoft Defender Offline if:
KB4023057: Update Health Tools—Windows Update Service components
The Microsoft Update Health Tools is required for Expediting security updates through Microsoft Intune and Microsoft Graph. This update should automatically install if your device is connected to Windows Updates services and allows automatic updates.
Windows 安全更新 - Microsoft 支持
此更新为Windows 安全平台提供最新更新,该平台由 Windows 安全 应用及其基础服务组成。 若要获取Windows 安全应用的当前版本,请运行以下命令 powershell 命令: Get-AppPackage Microsoft.SecHealthUI. 手动下载更新. Windows 安全应用程序版本:1000.25931.1002.0. Windows 安全平台版本:1.0.2306.10002. 64 位 | ARM64. 有关 此处Windows 安全应用的详细信息。