Windows 10中有一个简单的功能，可让您检查更新^{(check for updates)}、下载并安装更新以保持系统更新。但是，有时，许多用户会遇到Windows Update 安装失败并出现错误 0x8024004a 的问题^{(Windows Update failed to install with error 0x8024004a)}。这是Windows 更新代理^{(Windows Update Agent)}( WUA ) API返回的错误代码。

WU_E_SETUP_IN_PROGRESS – 0x8024004A – WUA operations are not available while operating system setup is running.

Windows更新错误代码 0x8024004a^{(Update Error Code 0x8024004a)}

在继续之前，您将重新启动计算机一次，然后重试。如果这没有帮助，请浏览我们的整个建议列表，并在创建系统还原点后查看您想尝试哪些建议：

1. 重置 Windows 更新代理
2. 使用 Windows 更新疑难解答
3. 重置 Windows 更新组件
4. 重置 Windows 更新客户端
5. 运行 DISM^{(Run DISM)}以修复损坏的Windows 更新^{(Windows Update)}
6. 手动下载更新。

1]重置Windows更新代理

^{(Reset Windows Update Agent to default)}在Windows 10中将^{(Windows 10)}Windows 更新代理重置为默认值，看看这是否对您有帮助。为此，您可以从Microsoft下载并运行^(Microsoft)重置^(Reset) Windows 更新代理工具^{(Windows Update Agent Tool)}。此工具将重置和修复所有 WU 相关组件和注册表项、检测损坏、替换损坏的系统文件、修复损坏的系统映像、重置 Winsock 设置^{(Reset Winsock settings)}等。

2]运行Windows更新疑难解答^{(Run Windows Update Troubleshooter)}

如果某些东西阻止您更新Windows，那么也可以使用Windows 10的这个原生功能。^{(Windows 10)}Windows 更新疑难解答会自动搜索并修复问题。这些是步骤：

1. 使用Win+I打开“设置”应用
2. 按更新和安全^{(Update & Security)}
3. 选择左侧可见的疑难解答^{(Troubleshoot)}
4. 在右侧部分选择其他疑难解答^{(Additional Troubleshooters)}
5. 展开Windows 更新^{(Windows Update)}部分
6. 点击运行疑难解答^{(Run the troubleshooter)}按钮。

3]重置Windows Update组件

Windows Update疑难解答程序可能无法修复Windows Update 代理^{(Windows Update Agent)}。在这种情况下，请尝试重置所有 Windows 更新组件^{(resetting all Windows Update components)}。

4]重置Windows更新客户端

此重置 Windows Update PowerShell 脚本^{(Reset Windows Update PowerShell script)}将完全重置Windows Update客户端设置。它已在Windows 7、8、10^{(Windows 7)}和Server 2012 R2 上进行了测试。它将为默认设置配置与Windows 更新相关的服务和注册表项。^{(Windows Update)}除了BITS相关数据外，它还将清理与Windows Update相关的文件。^{(Windows Update)}

5]运行DISM^{(Run DISM)}修复损坏的Windows Update

您还可以使用DISM 工具修复损坏的^{(DISM Tool)}Windows 更新^{(Windows Update)}系统文件。Dism.exe工具^{(Dism.exe tool)}可用于不同的情况，其中之一是修复损坏的 Windows 更新文件。请注意，如果要修复损坏的Windows Update 系统文件^{(Windows Update System Files)}，则需要运行不同的命令。如果您运行通常的/RestoreHealth命令，它可能不一定有帮助。

DISM将用好的文件替换可能损坏或丢失的系统文件。但是，如果您的Windows 更新客户端已经损坏^{(Windows Update client is already broken)}，系统将提示您使用正在运行的Windows安装作为修复源，或使用网络共享中的Windows并行文件夹作为文件源。

然后，您将需要运行以下命令：

DISM.exe /Online /Cleanup-Image /RestoreHealth /Source:C:\RepairSource\Windows /LimitAccess

在这里，您必须将C:\RepairSource\Windows占位符替换为修复源的位置。

该过程完成后，DISM将在^(DISM)%windir%/Logs/CBS/CBS.log中创建一个日志文件，并捕获该工具发现或修复的任何问题。

这些可以帮助解决可能阻止Windows 更新^{(Windows Updates)}安装的问题。

阅读^(Read)：  Windows Update 安装失败或无法下载^{(Windows Update fails to install or will not download)}。

6]手动下载更新

如果不起作用，则需要从Microsoft官方网站^(Microsoft)手动下载 Windows 更新^{(download Windows updates manually)}，然后安装下载的更新。这将解决您的问题。

希望^(Hope)这些能有所帮助。

Windows Update failed to install with Error Code 0x8024004a

There is a simple featυre in Windows 10 thаt lets you check for updates, download them, and install them to keep your system updated. However, sometimes, many users face this problem that Windows Update failed to install with error 0x8024004a. This is an error code returned by the Windows Update Agent (WUA) API.

WU_E_SETUP_IN_PROGRESS – 0x8024004A – WUA operations are not available while operating system setup is running.

Windows Update Error Code 0x8024004a

Before you proceed, you would restart your computer once and try again. If that does not help, go through our entire list of suggestions and see which of them you would like to try, after creating a system restore point:

1. Reset Windows Update Agent
2. Using Windows Update Troubleshooter
3. Reset Windows Update components
4. Reset Windows Update Client
5. Run DISM to repair broken Windows Update
6. Download updates manually.

1] Reset Windows Update Agent

Reset Windows Update Agent to default in Windows 10 and see if that helps you. For that, you can download and run the Reset Windows Update Agent Tool from Microsoft. This tool will reset & repair all WU related components & registry keys, detect corruptions, replace corrupted system files, fix corrupted system image, Reset Winsock settings, and so on.

2] Run Windows Update Troubleshooter

If something is preventing you from updating Windows, then this native feature of Windows 10 can also be used. Windows Update Troubleshooter searches for problems and fixes them automatically. These are the steps:

1. Use Win+I to open the Settings app
2. Press on Update & Security
3. Select Troubleshoot visible on the left side
4. Select Additional Troubleshooters on the right section
5. Expand Windows Update section
6. Hit on Run the troubleshooter button.

3] Reset Windows Update components

It is possible that the Windows Update troubleshooter would fail in fixing the Windows Update Agent. In such a case, try resetting all Windows Update components.

4] Reset Windows Update Client

This Reset Windows Update PowerShell script will completely reset the Windows Update client settings. It has been tested on Windows 7, 8, 10, and Server 2012 R2. It will configure the services and registry keys related to Windows Update for default settings. It will also clean up files related to Windows Update, in addition to BITS related data.

5] Run DISM to repair broken Windows Update

You can also fix corrupted Windows Update system files using DISM Tool. The Dism.exe tool can be used in different situations, and one of them is to repair a corrupted Windows Update files.  Do note that you need to run a different command if you want to repair corrupted Windows Update System Files.  If you run the usual /RestoreHealth command, it may not necessarily help.

DISM will replace potentially corrupted or missing system files with good ones. However, if your Windows Update client is already broken, you will be prompted to use a running Windows installation as the repair source or use a Windows side-by-side folder from a network share, as the source of the files.

You will then be required to run the following command instead:

DISM.exe /Online /Cleanup-Image /RestoreHealth /Source:C:\RepairSource\Windows /LimitAccess

Here you have to replace the C:\RepairSource\Windows placeholder with the location of your repair source.

Once the process is complete, DISM will create a log file in %windir%/Logs/CBS/CBS.log and capture any issues that the tool finds or fixes.

These can help fix problems that might prevent Windows Updates from installing.

Read: Windows Update fails to install or will not download.

6] Download updates manually

If nothing works, then you need to download Windows updates manually from the official Microsoft website, and then install the downloaded updates. This will fix your problem.

Hope something from these will help.

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