某些用户在尝试在其 Windows 10 设备上下载和安装更新时可能会遇到Windows 更新错误 0x80070543 。^{(Windows Update error 0x80070543)}它通常是由于您计算机上的系统文件配置错误引起的。

修复 Windows 更新错误 0x80070543

如果Windows 10未下载或安装错误^(Error)代码为 0x80070543 的更新，请遵循以下建议：

1. 运行 Windows 更新疑难解答
2. ^{(Change Settings)}在组件^(Component) 服务^(Services)控制台中更改设置
3. 执行证监会
4. 运行 DISM 以修复 Windows 更新
5. 运行后台智能传输服务疑难解答^{(Run Background Intelligent Transfer Service Troubleshooter)}
6. ^{(Run Windows Update)}在干净启动状态下^{(Clean Boot State)}运行 Windows 更新。

让我们看一下关于列出的每个解决方案所涉及的过程的描述。

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

一如既往地建议，当您遇到更新问题时，首先要做的是运行内置的Windows 更新疑难解答，看看这是否有助于解决问题。如果此解决方案不起作用，您可以继续下一个解决方案。

2]在组件^(Component)服务^(Services)控制台中更改设置^{(Change Settings)}

请执行下列操作：

• 按Windows key + R调用“运行”对话框。
• 在“运行”对话框中，键入dcomcnfg.exe并按 Enter 键打开Component Services。
• 在左侧窗格中，展开 组件服务。^{(Component Services.)}
• 在组件服务下，单击计算机^(Computers)。
• 接下来，在中间窗格中，选择我的电脑，^{( My computer,)}然后右键单击并选择属性^(Properties)。
• 切换到默认属性^{(Default Properties)}选项卡并确保默认身份验证级别^{(Default Authentication Level)}设置为连接。^(Connect.)

注意^(Note)：如果Default Authentication Level项目未设置为None，请不要更改它。它可能已由管理员设置。

• 现在选择Default Impersonation Level下拉菜单 下 的识别。^(Identify)
• 单击应用^(Apply)>确定^(OK)。
• 重新启动计算机并再次尝试更新，看看它是否完成且没有错误。如果没有，请尝试下一个解决方案。

3]执行证监会

运行系统文件检查器以替换可能损坏的系统文件。

4]运行DISM^{(Run DISM)}修复Windows更新^{(Windows Updates)}

运行 DISM^{(Running 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^{(Windows Update)}客户端已损坏，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。

5]运行后台智能传输服务疑难解答^{(Run Background Intelligent Transfer Service Troubleshooter)}

运行后台智能传输服务疑难解答^{(Background Intelligent Transfer Service Troubleshooter)}，看看它是否有帮助。后台智能传输服务^{(Background Intelligent Transfer Service)}或BITS有助于在客户端和服务器之间传输、下载或上传文件，并提供与传输相关的进度信息。它还在从对等点下载文件中发挥作用。此Windows 服务^{(Windows Service)}对于Windows 更新^{(Windows Updates)}正常工作至关重要。

6]在干净启动状态下^{(Clean Boot State)}运行Windows Update^{(Run Windows Update)}

在干净启动状态^{(Clean Boot State)}下启动并运行Windows 更新^{(Windows Update)}，看看这是否有帮助。它在大多数情况下都有效。

再次尝试更新，看看问题是否得到解决。

Any of these solutions should work for you!

Windows Update not downloading or getting installed, Error 0x80070543

Some υsers might encounter Windows Update error 0x80070543 while attempting to download and install updates on their Windows 10 device. It is usually caused due to misconfigured system files on your computer.

Fix Windows Update error 0x80070543

If Windows 10 is not downloading or installing Updates with Error code 0x80070543, then follow these suggestions:

1. Run Windows Update Troubleshooter
2. Change Settings in Component Services console
3. Perform SFC
4. Run DISM to repair Windows Updates
5. Run Background Intelligent Transfer Service Troubleshooter
6. Run Windows Update in Clean Boot State.

Let’s take a look at the description of the process involved concerning each of the listed solutions.

1] Run Windows Update Troubleshooter

As always recommended, the first thing to do when you’re hit with update issues is to run the inbuilt Windows Update Troubleshooter and see if that helps to resolve the issue. If this solution doesn’t work, you can proceed with the next solution.

2] Change Settings in the Component Services console

Do the following:

• Press Windows key + R to invoke the Run dialog.
• In the Run dialog box, type dcomcnfg.exe and hit enter to open Component Services.
• In the left window pane, expand Component Services.
• Under Component Services, click Computers.
• Next, in the middle pane, select My computer, then right-click and select Properties.
• Switch to Default Properties tab and make sure the Default Authentication Level is set to Connect.

Note: If the Default Authentication Level item is not set to None, do not change it. It may have been set by an administrator.

• Now select Identify under Default Impersonation Level drop-down.
• Click Apply > OK.
• Restart your computer and try the update again and see if it completes without errors. If not, try the next solution.

3] Perform SFC

Run System File Checker to replace potentially corrupted system files.

4] Run DISM to repair Windows Updates

Running 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.

5] Run Background Intelligent Transfer Service Troubleshooter

Run the Background Intelligent Transfer Service Troubleshooter and see if it helps. Background Intelligent Transfer Service or BITS helps in the transfer, download or upload of files between a client and server, and provides progress information related to the transfers. It also plays a role in the download of files from a peer. This Windows Service is essential for Windows Updates to work properly.

6] Run Windows Update in Clean Boot State

Boot in Clean Boot State and run Windows Update and see if this helps. It works in most cases.

Try updating again and see if the issue is resolved.

Any of these solutions should work for you!

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