The Windows Security app is a comprehensive security solution integrated into Windows, designed to protect your device and data from various threats. It includes features such as Microsoft Defender Antivirus, Windows Firewall, and Smart App Control, which work together to provide real-time protection against viruses, malware, and other security ...

2021年11月23日 · Once you enter that command restart your computer and check the Windows Defender. If issue persists, check for updates and install any updates available. -Press Windows key + X -Go to Settings -Click Update and Security -Check for Updates and install all updates available. Restart once done and check the Windows Security.

Protect your Android, iPhone, Mac, and Windows devices from threats by installing Microsoft Defender. Download Microsoft Defender on your devices either by: Scanning the following QR code Searching for Microsoft Defender in your app …

This update provides latest updates for Windows Security platform, which is comprised of the Windows Security app and its underlying service. To obtain the current version of Windows Security app, please run powershell command below:

2023年10月27日 · 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. Locate "Windows Security" and click on the three dots next to it. 4. Choose "Advanced options" from the context menu. 5.

Windows Security won't take any actions against threats you've allowed. If you have accidentally allowed a threat and want to remove it, select it from the list, then select the Don't allow button. The threat will be removed from the list and Windows Security will once again act on it the next time it sees this threat.

For help resolving performance issues on your Windows PC, see Tips to improve PC performance in Windows. For help freeing up space on your device, see Free up drive space in Windows. Make sure you have the latest updates installed by checking Windows Update. See Windows Update: FAQ. If all else fails, it might be helpful to reset your PC (Fresh ...

Whether Windows XP, Windows Vista, or Windows 7 is running in a 32-bit or a 64-bit operating environment. Whether you are logged on to Windows as an administrator. Then follow these steps: Download the Microsoft Security Essentials virus and spyware definition update file that is appropriate for your version of Windows:

Smart App Control can be used on new Windows 11 installs only. If you received it as part of a Windows update on an already running device, you won't be able to turn it on unless you reset your PC or re-install Windows. For the best experience with Smart App Control be sure you have the latest Windows and Defender updates installed on your device.

2024年1月15日 · Download SecurityHealthSetup.zip. Unzip SecurityHealthSetup.exe, then right click and run as administrator . If it's not working straight away, restart the computer and give the system a few minutes to initialize before checking Windows Security. _____