您是否正在寻找一种解决方案来修复一直关闭的 Avast Behavior Shield？继续阅读以了解有关此 Avast Antivirus 功能的更多信息以及为什么 Avast Behavior 防护现在已关闭。^{(Are you looking for a solution to fix Avast Behavior Shield that keeps turning off? Read on to know more about this Avast Antivirus feature and why the Avast Behavior shield is now off.)}

什么是 Avast 行为防护？^{(What is Avast Behavior Shield?)}

Avast Behavior Shield是Avast 防病毒^{(Avast Antivirus)}软件的重要组成部分。如果您使用 Avast 防病毒软件，则默认情况下会启用Behavior Shield 。它会持续监控您的 PC 并提供针对恶意软件的实时保护。此外，Shield可有效检测并阻止任何表现出可疑行为或活动的文件。

不幸的是，许多用户报告说Avast Behavior Shield不断关闭，尤其是在重新启动计算机时。

Avast Behavior Shield 的主要设置是什么？^{(What are the Main Settings of Avast Behavior Shield?)}

Avast Behavior shield 持续监控您的系统是否存在文件威胁和恶意软件。

那么，当Shield^(Shield)检测到威胁时，您会怎么做？

您可以选择并决定如何处理Avast Behavior Shield最近检测到的新威胁。以下是三个可用选项：

1. 始终询问：^{(1. Always Ask:)}如果您选择此选项，行为^(Behavior)盾会询问您要如何处理发现的威胁。现在你可以

• 将^(Move)其移至病毒箱，或者，
• 删除^(Delete)文件，或者，
• 无视^(Ignore)威胁。

2. 自动将检测到的威胁移至病毒箱：^{(2. Automatically move detected threats to Chest:)}如果启用此选项，行为盾^{(Behavior Shield)}将自动将系统中检测到的所有威胁移至病毒箱^{(Virus Chest)}。因此，您的 PC 将免于被感染。

3. 自动将已知威胁移至 Chest：^{(3. Automatically move known threats to Chest:)}当您使用 Avast Antivirus时，此选项默认启用。行为防护^{(Behavior Shield)}会将病毒定义数据库检测到的威胁转移到病毒库^{(Virus Chest)}。

要更改Avast Behavior Shield的设置，

1. 启动Avast Antivirus。

2. 导航到 Settings > Components > Behavior Shield.

3. 现在，根据您的要求和方便，选择上面详述的任何选项。

如何修复 Avast Behavior Shield 不断关闭^{(How To Fix Avast Behavior Shield Keeps Turning Off)}

为什么 Avast Behavior Shield 不断关闭？^{(Why Avast Behavior Shield Keeps Turning Off?)}

用户面临此问题的最常见原因是：

• 过时的 Avast 防病毒软件^{(Outdated Avast Antivirus software)}
• 程序文件损坏或丢失^{(Corrupt or Missing program files)}

无论出于何种原因，强烈建议您修复此问题，以在您的计算机上保持启用行为防护。^{(Behavior Shield)}如果Avast Behavior Shield现在已关闭，则您的计算机更容易受到可能感染您系统的恶意软件和病毒的攻击。

修复 Avast Behavior Shield 在 Windows 10 上不断关闭的问题^{(Fix Avast Behavior Shield Keeps Turning Off On Windows 10)}

为了保护您的 PC，您需要了解如何修复Avast Behavior Shield现在已解决问题。因此，请阅读以下内容以了解更多信息。

方法 1：更新 Avast Antivirus^{(Method 1: Update Avast Antivirus)}

此问题在Avast Antivirus 2018版中出现的频率更高。但是，程序开发人员发布了更新以解决Avast Shield在计算机重新启动时关闭的问题。如果Avast已经在其最新版本中工作，您可以跳过此方法。

否则，请按照给定的步骤更新Avast Antivirus并解决此问题：

1. 在Windows 搜索^{(Windows search)}框中键入 Avast，然后从搜索结果中启动Avast Antivirus 。

2. 从Avast^(Avast)用户界面的右上角转到Menu > Settings

3. 现在，转到更新^(Update)选项卡。

4. 单击右侧窗格中标题为“检查更新”的图标。^{(Check for Updates )}将有两个这样的图标可用。

5. 如果适用，更新将安装^(installed)到 Avast。

现在，重新启动Avast并检查问题是否已解决。

方法 2：修复 Avast Antivirus^{(Method 2: Repair Avast Antivirus)}

如果上述方法没有解决问题，您可以使用Avast中内置的^(Avast)故障排除^{(Troubleshooting)}功能来修复程序。您可以通过两种方式执行此操作，如下所述：

选项 1：直接从 Avast 界面^{(Option 1: Directly from Avast Interface)}

1. 启动Avast Antivirus 并像以前一样导航到Menu > Settings 。

2. 接下来，转到故障排除^{(Troubleshooting)}选项卡。

3.在这里，单击右侧窗格中的修复应用程序。^{(Repair App)}修复过程将开始，可能需要一段时间才能完成。

注意：^(Note:)在进行过程中不要关闭任何窗口或选项卡。

4. 修复完成后，重新启动^(reboot)您的 PC。检查Avast 行为^{(Avast Behavior)}防护现在是关闭还是打开。

选项 2：通过添加或删除程序^{(Option 2: Through Add or Remove Programs)}

1.在Windows 搜索^{(Windows search)}框中键入添加或删除程序。^{(Add or remove programs)}从搜索结果中启动它，如图所示。

2. 在搜索此列表^{(Search this list)}栏中，输入Avast。

3. 单击Avast，然后单击修改^(Modify)。下图是为清楚起见给出的示例。

4.在 Avast 弹出窗口中单击修复。^(Repair)

等待它被修复。重新启动计算机并确认问题已解决。

另请阅读：^{(Also Read:)} 修复 Avast Antivirus 中的病毒定义失败^{(Fix Virus Definition Failed in Avast Antivirus)}

方法 3：全新安装 Avast Antivirus^{(Method 3: Clean Install Avast Antivirus)}

修复Avast Behavior Shield^{(Avast Behavior Shield)}一直关闭的最终解决方案是从您的 PC 中卸载Avast及其所有文件，然后安装最新版本。此过程称为全新安装^{(Clean Installation)}。请按照以下步骤执行Avast Antivirus的全新安装：

1. 首先，单击此链接^{(click on this link)}，然后下载 Avast Uninstall Utility^{(download the Avast Uninstall Utility)}。

2. 下载文件后，打开^(open)文件运行软件。

3. 在弹出的Avast Uninstall Utility窗口中，单击是以^(Yes)安全^{(Safe Mode)}模式启动Windows。再次单击^(Click)是确认。^(Yes)

4. Windows 现在将以安全模式^{(Safe Mode)}启动，卸载实用程序^{(Uninstall Utility)}将自动启动。

5. 在实用程序^(Utility)窗口中，确保选择当前安装Avast Antivirus的正确文件夹^{(correct folder)}。

6. 单击卸载^(Uninstall)以完全删除Avast Antivirus和相关文件。单击^(Click)是确认^(Yes)卸载。

注意：^(Note:)该过程需要一段时间才能完成。在卸载过程中不要关闭任何窗口。

7. 该过程完成后，单击弹出窗口中的重新启动。^(Restart)

8. 重新启动 PC 后，单击此链接^{(click on this link)}。然后，单击免费下载^{(Free Download)}以下载最新版本的Avast Antivirus。

9. 打开下载的文件运行^(run)安装程序。按照屏幕上显示的说明完成安装。

10. 启动Avast并检查Avast Behavior Shield是否已停止工作问题已修复。

受到推崇的：^{(Recommended:)}

• 在 Windows 10 中完全卸载 Avast Antivirus 的 5 种方法^{(5 Ways to Completely Uninstall Avast Antivirus in Windows 10)}
• 修复 Windows 上的本地设备名称已在使用错误^{(Fix Local Device Name is Already in Use Error on Windows)}
• 在 Windows 10 中休眠后禁用密码^{(Disable Password after Sleep in Windows 10)}
• 修复 Xbox One 过热和关机问题^{(Fix Xbox One Overheating and Turning Off)}

我们希望本指南对您有所帮助，并且可以修复 Avast Behavior Shield 现在已解决的^{(fix Avast Behavior Shield is now off)} 问题。让我们知道哪种方法最适合您。此外，如果您对本文有任何问题或建议，请随时将它们放在下面的评论部分。

Fix Avast Behavior Shield Keeps Turning Off

Are you looking for a solution to fix Avast Behavior Shield that keeps turning off? Read on to know more about this Avast Antivirus feature and why the Avast Behavior shield is now off.

What is Avast Behavior Shield?

The Avast Behavior Shield is a crucial component of the Avast Antivirus software. If you use Avast antivirus, the Behavior Shield is enabled by default. It constantly monitors your PC and provides real-time protection from malware. In addition, the Shield effectively detects and blocks any files that exhibit suspicious behavior or activity.

Unfortunately, many users have reported that the Avast Behavior Shield keeps turning off, especially while rebooting the computer.

What are the Main Settings of Avast Behavior Shield?

The Avast Behavior shield constantly monitors your system for file threats and malware.

So, what do you do when the Shield detects a threat?

You can choose from and decide how to deal with a new threat that Avast Behavior Shield has recently detected. Here are the three available options:

1. Always Ask: If you select this option, the Behavior shield will ask you what you want to do with the threat found. Now, you can

• Move it to the Virus Chest or,
• Delete the file or,
• Ignore the threat.

2. Automatically move detected threats to Chest: If this option is enabled, the Behavior Shield will automatically move all threats detected in your system to the Virus Chest. Thus your PC will be saved from getting infected.

3. Automatically move known threats to Chest: When you use Avast Antivirus, this option is enabled by default. The Behavior Shield will move threats that the virus definition database detects as dangerous to the Virus Chest.

To change the settings of Avast Behavior Shield,

1. Launch Avast Antivirus.

2. Navigate to Settings > Components > Behavior Shield.

3. Now, choose any of the options detailed above, as per your requirement and convenience.

How To Fix Avast Behavior Shield Keeps Turning Off

Why Avast Behavior Shield Keeps Turning Off?

The most common reasons why users face this issue are:

• Outdated Avast Antivirus software
• Corrupt or Missing program files

Whatever the reason, it is highly recommended that you fix this issue to keep the Behavior Shield Enabled on your computer. If Avast Behavior Shield is now off, your computer is more vulnerable to malware and viruses that can infect your system.

Fix Avast Behavior Shield Keeps Turning Off On Windows 10

To keep your PC protected, you need to learn how to fix Avast Behavior Shield is now off issue. So, read below to know more.

Method 1: Update Avast Antivirus

This issue occurs more frequently in the Avast Antivirus 2018 edition. However, the program developers released updates to fix the issue of Avast Shield turning off whenever the computer reboots. If Avast is already working in its latest version, you can skip this method.

Otherwise, follow the given steps to update Avast Antivirus and resolve this issue:

1. Type Avast in the Windows search box and launch Avast Antivirus from the search result.

2. Go to Menu > Settings from the top right corner of the Avast user interface.

3. Now, go to the Update tab.

4. Click on the icon titled Check for Updates from the right pane. There will be two such icons available.

5. If applicable, updates will be installed to Avast.

Now, restart Avast and check if the issue has been solved.

Method 2: Repair Avast Antivirus

If the above method did not fix the issue, you could use the in-built Troubleshooting features in Avast to repair the program. You can do so in two ways, as explained below:

Option 1: Directly from Avast Interface

1. Launch Avast Antivirus and navigate to Menu > Settings as before.

2. Next, go to the Troubleshooting tab.

3. Here, click on Repair App in the right pane. The repair process will begin and might take a while to finish.

Note: Do not close any window or tab during the ongoing process.

4. Once the repair is complete, reboot your PC. Check if the Avast Behavior shield is now off or on.

Option 2: Through Add or Remove Programs

1. Type Add or remove programs in the Windows search box. Launch it from the search result, as shown.

2. In the Search this list bar, type Avast.

3. Click on Avast and then, Modify. The image below is an example given for clarity.

4. Click on Repair in the Avast pop-up window.

Wait for it to be repaired. Restart your computer and confirm that the issue is resolved.

Also Read: Fix Virus Definition Failed in Avast Antivirus

Method 3: Clean Install Avast Antivirus

The final solution to fix Avast Behavior Shield keeps turning off is to uninstall Avast and all its files from your PC and then install the latest version. This process is known as Clean Installation. Follow the steps below to perform a clean installation of Avast Antivirus:

1. First, click on this link and then download the Avast Uninstall Utility.

2. Once the file is downloaded, open the file to run the software.

3. In the pop-up Avast Uninstall Utility window, click on Yes to boot Windows in Safe Mode. Click on Yes again to confirm.

4. Windows will now boot in Safe Mode, and the Uninstall Utility will launch automatically.

5. In the Utility window, ensure that you select the correct folder where Avast Antivirus has been installed presently.

6. Click on Uninstall to remove Avast Antivirus and associated files altogether. Click on Yes to confirm the uninstallation.

Note: The process will take a while to complete. Do not close any window during the uninstallation process.

7. Once the process is complete, click on Restart in the pop-up window.

8. Once your PC is restarted, click on this link. Then, click on Free Download to download the latest version of Avast Antivirus.

9. Open the downloaded file to run the installer. Follow the instructions shown on the screen to complete the installation.

10. Launch Avast and check if Avast Behavior Shield has stopped working issue is fixed.

Recommended:

• 5 Ways to Completely Uninstall Avast Antivirus in Windows 10
• Fix Local Device Name is Already in Use Error on Windows
• Disable Password after Sleep in Windows 10
• Fix Xbox One Overheating and Turning Off

We hope this guide was helpful and could fix Avast Behavior Shield is now off issue. Let us know which method worked the best for you. Also, if you have any questions or suggestions regarding this article, feel free to drop them in the comments section below.

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