Stay protected with Windows Security - Microsoft Support
Windows 10 and 11 include Windows Security, which provides the latest antivirus protection. Your device will be actively protected from the moment you start Windows. Windows Security continually scans for malware ( mal icious soft ware ), viruses, and security threats.
Windows Security: Defender Antivirus, SmartScreen, and More
Protect your privacy, identity, and devices with Windows Security. Explore Windows 11 security features like Microsoft Defender Antivirus that help keep you and your PC safe.
How can I reinstall Windows security? - Microsoft Community
2023年10月27日 · To reinstall and repair Windows Security, I recommend considering these three options in the following order: Resetting Windows Security via Settings in Windows 11: 1. Open the Settings app directly or by pressing the Windows key + I. 2. Navigate to "Apps" in the left pane and select "Apps & Features" on the right. 3.
Windows Security won't launch in Windows 11 - Microsoft …
2023年10月6日 · 1). Run the Windows Security Troubleshooter: Go to Settings > Update & Security > Troubleshoot. Find and run the Windows Security troubleshooter. 2). Repair Windows Security using DISM: Open Command Prompt as administrator and run the following commands:
Windows 11 windows security app missing - Microsoft Community
2022年3月19日 · Check for anything found but is still left over in Settings > Apps > Apps & Features, and C:\Program Files and C:\Program Files(86) to uninstall or delete them. I can guide you how to do this if there are problems.
Windows Defender won't open? Here's how to fix it! (Windows 11)
2022年2月17日 · Download the Windows Security App from the Microsoft website. The link: https://www.microsoft.com/en-us/microsoft-365/microsoft-defender-for-individuals launch it and log in to your Microsoft account.
windows security will not open - Microsoft Community
2024年10月22日 · The inability to open Windows Security can be caused by corrupted files, disabled services, conflicting antivirus software, outdated Windows, or malware. 1. Please try scanning your computer using Microsoft Safety Scanner and check if you can open Windows Security afterward: https://learn.microsoft.com/en-us/defender-endp...
Windows Security missing. - Microsoft Community
2021年9月21日 · Since the insider update for the Windows 11, Windows Security has disappeared. Whenever I try to open Windows Security, I am redirected to Microsoft Store to search for an app. How can it be fixed?
New Windows 11 features strengthen security to address evolving ...
2024年5月20日 · Stay ahead of evolving threats with Windows. To enhance user security from the start, we’re continuously updating security measures and enabling new defaults within Windows. Windows 11 is designed with layers of security enabled by default, so you can focus on your work, not your security settings.
Windows Security | Microsoft Learn
2024年6月27日 · Windows Security is a client interface on Windows 10, version 1703 and later. It is not the Microsoft Defender Security Center web portal console that is used to review and manage Microsoft Defender for Endpoint .