Windows 11/10系统需要 Windows 更新，尤其是因为它们将安全更新推送到计算机。但是，有时用户在尝试更新Windows 11/10Windows 更新^{(Windows Update)}错误0x80070012。在这种情况下，请通读这篇文章以获得解决方案。

如何修复Windows 更新错误代码 0x80070012^{(Windows Update Error Code 0x80070012)}

该问题可能是由卡住的Windows 更新^{(Windows Update)}服务或系统文件损坏引起的。依次尝试以下解决方案来解决问题：

1. 运行Windows 更新^{(Windows Update)}疑难解答
2. 重置 Windows 更新组件
3. ^{(Repair Windows Update)}使用DISM^(DISM)修复 Windows 更新组件
4. 手动下载并安装更新^(Update)

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

Windows 更新^{(Windows Update)}疑难解答是一个出色的工具，可以检查与进程相关的问题并在可能的情况下解决它。由于问题的主要原因是Windows 更新^{(Windows Update)}服务的问题，因此运行Windows 更新^{(Windows Update)}疑难解答会很有帮助。这样做的过程如下：

单击开始^{(Start )}并转到Settings > Updates & Security > Troubleshoot > Additional troubleshooter。

从疑难解答列表中，选择Windows 更新^{( Windows Update)}疑难解答。然后单击运行疑难解答^{(Run the troubleshooter)}以运行Windows 更新疑难解答^{(Windows Update troubleshooter)}。

完成后重新启动系统。

如果Windows 更新^{(Windows Update)}疑难解答没有帮助，请继续执行下一个解决方案。

2]重置Windows Update组件

重置 Windows Update 组件^{(Resetting the Windows Update components)}应该是对Windows Update错误 0x80070012 的最终修复。如果逐步完成，这可能是一个复杂的过程，但您可以轻松解决。

3]使用DISM修复Windows Update^{(Repair Windows Update)}组件

DISM工具是检查丢失或损坏的系统文件并在可能的情况下替换它们的出色实用程序。使用 DISM 工具修复损坏的 Windows Update 系统文件的过程如下：

在Windows^(Windows)搜索栏中搜索“命令提示符” 。对应于命令提示符^{(Command Prompt)}应用程序，单击右窗格中的以管理员​​身份运行。^(Run)

键入以下命令，然后按Enter 键^(Enter)运行DISM^{(Run DISM)}：

DISM.exe /Online /Cleanup-image /Restorehealth

请^(Please)注意，在这里您需要耐心等待，因为该过程可能需要几分钟才能完成。

当您运行上述命令时，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。

关闭命令提示符，然后再次运行Windows Update并查看它是否有帮助。

4]手动下载^(Download)并安装更新^(Update)

如果一切都失败了，您可以简单地从Microsoft 更新目录^{(Microsoft Update catalog)}手动安装Windows 更新^{(Windows Updates)}。下载压缩文件夹后，将其解压缩到系统上并运行安装^(Setup)文件。

如果您需要更多帮助，可以查看此终极指南以修复无法安装或下载的 Windows 更新错误。^{(fix Windows Update errors they fail to install or download.)}

How to fix Windows Update Error Code 0x80070012

WIndows Updates аre neсessary for Windows 11/10 systems, eѕpecially because they push security updates to the computer. However, at times users encounter Windows Update error 0x80070012 while trying to update Windows 11/10. In such a situation, read through this article for the resolution.

How to fix Windows Update Error Code 0x80070012

The issue could be caused either by stuck Windows Update services or by system file corruption. Try the following solutions sequentially to resolve the problem:

1. Run the Windows Update troubleshooter
2. Reset Windows Update components
3. Repair Windows Update components using DISM
4. Download and install the Update manually

1] Run the Windows Update troubleshooter

The Windows Update troubleshooter is an excellent tool which checks for issues related to the process and resolves it if possible. Since the primary cause of the problem is an issue with the Windows Update services, running the Windows Update troubleshooter would be helpful. The procedure to do so is as follows:

Click on Start and go to Settings > Updates & Security > Troubleshoot > Additional troubleshooter.

From the list of troubleshooters, select the Windows Update troubleshooter. Then click on Run the troubleshooter to run the Windows Update troubleshooter.

Reboot your system once done.

If the Windows Update troubleshooter doesn’t help, proceed to the next solution.

2] Reset Windows Update components

Resetting the Windows Update components should be the ultimate fix to Windows Update error 0x80070012. While it could be a complex process if done step by step you can work it out easily.

3] Repair Windows Update components using DISM

The DISM tool is an excellent utility to check for missing or corrupt system files and replace them if possible. The procedure to fix corrupted Windows Update system files using DISM Tool is as follows:

Search for “command prompt” in the Windows search bar. Corresponding to the Command Prompt application, click on Run as administrator in the right-pane.

Type the following command, and then press Enter to Run DISM:

DISM.exe /Online /Cleanup-image /Restorehealth

Please note that here you need to be patient since the process can take up to several minutes to complete.

When you run the command mentioned above, 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.

Close the command prompt, and then run Windows Update again and see it has helped.

4] Download and install the Update manually

If everything else fails, you could simply install the Windows Updates manually from the Microsoft Update catalog. Once you download the zipped folder, extract it on the system and run the Setup file.

If you need more help, you may check out this ultimate guide to fix Windows Update errors they fail to install or download.

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