Windows 11/10 中的 Windows Defender允许您执行脱机扫描（也称为Windows Defender 启动时扫描^{(Windows Defender boot-time scan)}），这可以帮助您使用最新的威胁定义摆脱持久且难以删除的恶意软件和恶意软件. 今天让我们看看如何在Windows 11/10中使用Windows Defender运行^{( Windows Defender)}离线扫描^{(Offline Scan )}。此 Windows Defender启动时扫描仅在Windows Defender已启用并作为您的主要实时安全软件运行时提供。

Windows Defender 脱机扫描

若要执行Windows Defender脱机扫描，请使用脱机扫描功能。打开开始菜单^{(Start Menu)}，然后单击打开设置^(Settings)。接下来^(Next)，单击更新^(Update)和安全，然后选择Windows Defender，打开以下Windows Defender 脱机^{(Windows Defender Offline)}设置。

在这里，在Windows Defender Offline下，您将看到一个Scan Offline按钮。

当您单击按钮时，在几秒钟内，您将看到以下消息。您将被注销，您的计算机将重新启动。

Windows Defender 启动时间扫描

重新启动时，您将看到一个黑色的命令提示符窗口瞬间打开和关闭，然后您将看到以下消息几秒钟。

然后将运行扫描。您可能会看到黑屏，有时会出现圆形动画，在 15 分钟内，您将被引导至桌面。就我而言，扫描大约需要 5 分钟。

如果发现并删除任何恶意软件文件，您将收到通知。

更新^(UPDATE)：在Windows 10 v1703中，您将能够通过Windows Defender 安全中心访问Windows Defender 离线扫描^{(Windows Defender Offline Scan)}设置。

单击病毒和威胁防护^{(Virus and Threat Protection)}链接，然后单击蓝色的高级扫描^{(Advanced scan)}链接以打开以下窗口。

在这里，您将看到运行Windows Defender 脱机扫描^{(Windows Defender Offline scan)}的选项。

此功能与Windows Defender 脱机工具不同，后者可以从 DVD 或 USB 驱动器等可移动媒体运行，可用于启动 PC，然后运行扫描。^{(This feature is different from the Windows Defender Offline Tool, which can be run from a removable media like a DVD, or USB drive and can be used to boot your PC, and then run the scan.)}

Perform Windows Defender Offline Scan at boot time in Windows 11/10

Windows Defender in Windows 11/10 allows you to conduct an offline scan – also referred to as Windows Defender boot-time scan – that can help you get rid of persistent and difficult-to-remove malware and malicious software, using the latest threat definitions. Let us today see how to run an Offline Scan using Windows Defender in Windows 11/10. This Windows Defender boot-time scan is offered only when Windows Defender is enabled and is running as your main real-time security software.

Windows Defender Offline Scan

To perform a Windows Defender offline scan, use the offline scan feature. Open the Start Menu and then click open Settings. Next, click on Update and security and then select Windows Defender, to open the following Windows Defender Offline settings.

Here, under Windows Defender Offline, you will see a Scan Offline button.

When you click on the button, within a few seconds, you will see the following message. You will be signed out, and your computer will restart.

Windows Defender boot time scan

On restart, you will see a black command prompt window flash open and shut instantaneously, and then you will see the following message for a few seconds.

The scan will then run. You may see a black screen, with the circular animation at times, and within 15 minutes, you will be booted to your desktop. In my case, the scan took around 5 minutes.

If any malware files are found and removed, you will be informed via a notification.

UPDATE: In Windows 10 v1703, you will be able to access Windows Defender Offline Scan setting via Windows Defender Security Center.

Click on Virus and Threat Protection link and then on the blue Advanced scan link to open the following window.

Here you will see the option to run Windows Defender Offline scan.

This feature is different from the Windows Defender Offline Tool, which can be run from a removable media like a DVD, or USB drive and can be used to boot your PC, and then run the scan.

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