Avast是为您的计算机和智能手机提供最佳保护解决方案的知名品牌。它具有成本效益和效率，这就是为什么它受到全球用户的青睐。但是，该产品几乎没有问题。Avast卡住更新问题就是其中之一。如果您也在处理同样的问题，那么您来对地方了。我们带来了这份简明指南，将帮助您解决Windows 10台式机和笔记本电脑中的Avast更新卡住问题。

如何修复 Avast 更新卡在 Windows 10 上^{(How to Fix Avast Update Stuck on Windows 10)}

为什么需要防病毒软件？^{(Why is Antivirus Necessary?)}

有几种类型的恶意软件，如病毒、蠕虫、错误、机器人程序、间谍软件、特洛伊木马^(Trojan)、广告软件和 rootkit，它们对您的设备有害，无论是您的 Windows PC 还是您的 Android 智能手机。这些恶意软件被编程为：

• 破坏系统，
• 窃取私人数据，或
• 监视用户。

您的操作系统的异常行为伴随着未经授权的访问表明您的系统正受到恶意攻击。反恶意软件^{(Anti-malware)}和防病毒^(Antivirus)程序会定期扫描和保护您的系统。完成防病毒扫描后，这些恶意软件工具将被禁用、隔离和删除。一些流行的是Avast、McAfee和Norton。Avast提供广泛的防病毒扫描服务。但是，有一些与之相关的问题：

• Avast 无法扫描
• Avast VPN 不工作
• Avast 更新卡住了

是什么导致 Avast 更新安装卡在 99？^{(What Causes Avast Update Installation Stuck at 99?)}

以下是Avast^(Avast)安装卡在 99的一些原因：

• 如果您的系统中安装了另一个防病毒程序^{(another antivirus program installed)}，您将面临Avast卡住更新问题。此附加防病毒程序可能会干扰该过程并可能停止安装过程。
• 如果您有任何防病毒程序在后台运行^{(antivirus programs running in the background)}，您可能会遇到Avast安装卡在 99 的问题。

如果您遇到消息，正在初始化，请稍候……^{(Initializing, please wait… )}在Avast更新期间，没有什么可担心的。实施给定的方法列表来修复卡在Windows 10台式机/笔记本电脑上的Avast更新。

方法 1：修复 Avast Antivirus^{(Method 1: Repair Avast Antivirus)}

要解决此问题，您可以按照以下说明修复Avast防病毒软件：

1. 按Windows 键^(key)并键入应用程序。^(Apps.)然后，单击打开^{(Open )}以启动应用程序和功能^{(Apps & features)}窗口。

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

3. 现在，选择Avast Free Antivirus，然后单击卸载^(Uninstall)，如下所示。

4. Avast 设置向导^{(Avast Setup Wizard )}将出现在您的桌​​面上。点击^(Click)修复^(Repair)，如图所示。

5. 点击是^(Yes)授权维修。等到^(Wait)修复过程完成，然后单击完成^(Done)。

6. 最后，重新启动您的 PC^{(restart your PC)}并检查问题是否已解决。

另请阅读：^{(Also Read:)} 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)}

方法 2：重新安装 Avast Free Antivirus
^{(Method 2: Reinstall Avast Free Antivirus )}

有时，由于安装过程中发生的问题，您可能会在Windows 10上遇到Avast更新卡住问题。在这种情况下，建议您按照此方法中的说明重新安装应用程序。

选项 1：从设置中卸载^{(Option 1: Uninstall From Settings)}

1. 按照方法 1^{(Method 1)}中的说明启动应用程序和功能^{(Apps & Features)}窗口。

2. 点击Avast Free Antivirus >卸载^(Uninstall)，如下图所示。

3. 在Avast 安装向导中，^{( Avast Setup Wizard,)}选择卸载^(UNINSTALL)以打开Avast 卸载工具^{(Avast Uninstall Tool)}。

4. 在这里，点击绿色的卸载^(Uninstall)按钮，如图所示。

选项 2：使用卸载程序卸载
^{(Option 2: Uninstall Using Uninstaller )}

或者，您还可以使用第三方卸载程序，例如：

• 明智的程序卸载程序^{(Wise Program Uninstaller)}
• IObit 卸载程序^{(IObit Uninstaller)}

按照给定的步骤使用Revo Uninstaller删除与^{(Revo Uninstaller)}Avast防病毒程序相关的所有数据和文件：

1.点击免费下载，^{(FREE DOWNLOAD, )}从其官方网站^{(official website)}安装Revo Uninstaller ，如图所示。

2. 打开Revo Uninstaller，点击Avast Free Antivirus并点击Uninstall，如下图所示。

3. 选中卸载前制作系统还原点^{(Make a System Restore Point before uninstall)}旁边的框，然后在弹出提示中单击继续。^(Continue)

4. 现在，单击扫描^(Scan)以显示注册表中剩余的所有文件。

5.接下来，单击全选，^{(Select all, )}然后单击删除^(Delete)。然后，在确认提示中单击是。^{(Yes )}

注意：^(Note:) 确保通过重复^(Make)步骤 5^{(Step 5)}已删除所有文件。

6.应显示Revo Uninstaller 未找到任何剩余项目^{(Revo Uninstaller hasn’t found any leftover items )}的提示，如下图所示。

7.删除所有文件后重新启动系统。^{(Restart )}

安装 Avast 免费杀毒软件^{(Install Avast Free Antivirus)}

卸载Avast Free Antivirus后，请按照给定的步骤再次安装最新版本的Avast Antivirus：

1.从官网^{(official website)}下载最新版本的Avast Free Antivirus。

2. 现在，导航到下载^(Downloads)文件夹并打开安装文件^{(setup file)}以安装Avast Antivirus。

3. 根据您的要求选择设置，然后单击Next > Install 开始安装过程。

4、最后点击完成。^(Finish.)

受到推崇的：^{(Recommended:)}

• 如何修复 Git 合并错误^{(How to Fix Git Merge Error)}
• 如何从 GIPHY 下载 GIF^{(How to Download GIF from GIPHY)}
• 如何在 Windows 10 中删除 Win 安装文件^{(How to Delete Win Setup Files in Windows 10)}
• 修复 Windows 10 安装卡住的 8 种方法^{(8 Ways to Fix Windows 10 Installation Stuck)}

我们希望本指南对您有所帮助，并且您能够修复^(fix) 在 Windows 10 上停留在 99 的 Avast 更新。^{(Avast update stuck at 99 on Windows 10.)}如果您有任何疑问或建议，请随时将它们放在评论部分。

How to Fix Avast Update Stuck on Windows 10

Avast is a well-known brand that offers the best protection solutions for your computer and smartphones. It is cost-effеctive and efficient which is why it iѕ preferred bу users all oνer the globe. Yet, there are few issues accompanied with this product. Aνast stuck update issue is one of them. If you are also dealing wіth the sаme problem, you are at the right place. We bring this concise guidе that will help you fіx Avast update stuck problem in Windows 10 desktop and laptop.

How to Fix Avast Update Stuck on Windows 10

Why is Antivirus Necessary?

There are several types of malicious software like viruses, worms, bugs, bots, spyware, Trojan horses, adware, and rootkits that are harmful to your device, be it your Windows PC or your Android smartphone. These malware are programmed to:

• corrupt the system,
• steal private data, or
• spy on the user.

The unusual behavior of your operating system accompanied by unauthorized access indicates that your system is under malicious attack. Anti-malware & Antivirus programs routinely scan and safeguard your system. Once an antivirus scan is done, these malware tools are disabled, quarantined, and deleted. Some of the popular ones are Avast, McAfee, and Norton. Avast offers a wide range of antivirus scan services. However, there are some issues associated with it:

• Avast unable to scan
• Avast VPN not working
• Avast update stuck

What Causes Avast Update Installation Stuck at 99?

Here are some reasons behind Avast installation stuck at 99:

• If you have another antivirus program installed in your system, you will face Avast stuck update problem. This additional antivirus program might interfere with the process and might stop the installation process.
• If you have any antivirus programs running in the background, you may face Avast installation stuck at 99 problems.

If you are stuck at the message, Initializing, please wait… during the Avast update, there is nothing to worry about. Implement the given list of methods to fix Avast update stuck on Windows 10 desktop/laptop.

Method 1: Repair Avast Antivirus

To fix this problem, you can repair Avast antivirus as instructed below:

1. Press the Windows key and type Apps. Then, click on Open to launch Apps & features window.

2. Search for Avast in the Search this list bar.

3. Now, select Avast Free Antivirus and then, click Uninstall, as highlighted below.

4. Avast Setup Wizard will appear on your desktop. Click on Repair, as shown.

5. Authorize the repair by clicking on Yes. Wait until the repair process is completed and click on Done.

6. Finally, restart your PC and check if the issue is resolved.

Also Read: 5 Ways to Completely Uninstall Avast Antivirus in Windows 10

Method 2: Reinstall Avast Free Antivirus

Sometimes, you may face an Avast update stuck problem on Windows 10 due to issues that occurred during the installation process. In this case, you are advised to reinstall the application, as explained in this method.

Option 1: Uninstall From Settings

1. Launch Apps & Features window as instructed in Method 1.

2. Click on Avast Free Antivirus > Uninstall, as illustrated below.

3. In the Avast Setup Wizard, select UNINSTALL to open Avast Uninstall Tool.

4. Here, click on the green Uninstall button, as shown.

Option 2: Uninstall Using Uninstaller

Alternately, you can also use third party uninstallers like:

• Wise Program Uninstaller
• IObit Uninstaller

Follow the given steps to remove all the data and files associated with the Avast antivirus program using Revo Uninstaller:

1. Install Revo Uninstaller from its official website by clicking on FREE DOWNLOAD, as shown.

2. Open Revo Uninstaller, click on Avast Free Antivirus & click on Uninstall, as illustrated below.

3. Check the box next to Make a System Restore Point before uninstall and click Continue in the pop-up prompt.

4. Now, click on Scan to display all the files left in the registry.

5. Next, click on Select all, followed by Delete. Then, Click on Yes in the confirmation prompt.

Note: Make sure that all the files have been deleted by repeating Step 5.

6. A prompt stating Revo Uninstaller hasn’t found any leftover items should be displayed, as depicted below.

7. Restart the system after all the files have been deleted.

Install Avast Free Antivirus

After uninstalling the Avast Free Antivirus, follow the given steps to install the latest version of Avast Antivirus again:

1. Download the latest version of Avast Free Antivirus from the official website.

2. Now, navigate to the Downloads folder and open the setup file to install Avast Antivirus.

3. Choose the settings as per your requirement and click on Next > Install to begin the installation process.

4, Finally, click Finish.

Recommended:

• How to Fix Git Merge Error
• How to Download GIF from GIPHY
• How to Delete Win Setup Files in Windows 10
• 8 Ways to Fix Windows 10 Installation Stuck

We hope that this guide was helpful and you were able to fix Avast update stuck at 99 on Windows 10. If you have any queries or suggestions, then feel free to drop them in the comments section.

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