安装 Windows 更新时是否收到 Windows 更新错误 0x800704c7？(Do you get the Windows Update Error 0x800704c7 while installing Windows update?)
问题主要发生在更新Windows操作系统时。但是，您的系统可能无法搜索更新或无法安装它们。无论哪种方式，在本指南中，我们都将修复错误 0x800704c7。
是什么导致 Windows 更新错误 0x800704c7？(What Causes Windows Update Error 0x800704c7?)
尽管此错误可能由多种原因引起，但最突出的原因是：
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后台进程(Background processes) 干扰操作系统过程。
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丢失或损坏的(Missing or corrupt) 操作系统文件(OS files )可能会导致错误 0x800704c7。
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与第三方应用程序的冲突(Conflict with third-party applications) 可能会导致Windows 更新(Windows update)错误。
如何修复 Windows 更新错误 0x800704c7？(How to Fix the Windows Update Error 0x800704c7?)
方法一：等待卡住的更新结束(Method 1: Wait for stuck updates to end)
有时，由于服务器端问题或互联网连接速度慢，更新可能会延迟。您可以在“设置”(Settings)窗口的“更新和安全(Update & Security)”选项卡中检查待处理的更新。因此，如果您的更新卡住了，您可以等待。
方法 2：运行 SFC 扫描(Method 2: Run SFC scan)
由于此问题经常由丢失或损坏的系统文件触发，因此我们将尝试运行内置工具来识别和修复它们。
1.在搜索栏中输入(search bar)cmd以在搜索结果中显示命令提示符(Command Prompt)。
2. 选择以管理员身份运行，(Run as administrator )如图所示。
3. 出现控制台时，输入sfc/scannow命令并按Enter。
4.扫描完成后重新启动计算机。(Restart)
您现在可以尝试再次安装Windows更新。如果问题仍然存在，请继续执行下面列出的方法。
另请阅读：(Also Read:) 修复还原点在 Windows 10 中不起作用(Fix Restore Point Not Working in Windows 10)
方法 3：清理 Windows 组件(Method 3: Clean Windows Components)
有时重载的Windows库也会导致此问题。图书馆在很长一段时间内都塞满了不必要的文件。因此，建议定期清除这些。
选项 1：通过任务管理器(Option 1: Via Task Manager)
1. 同时按下Windows + R键，调出运行( Run)框。
2. 键入taskschd.msc并单击OK，如图所示。
3. 导航到任务计划程序(Task Scheduler) Library > Microsoft > Windows > Servicing，如下图所示。
4. 现在，单击StartComponentCleanup。然后，单击右窗格中的运行(Run )，如图所示。
让该过程完成，然后重新启动(restart)计算机并尝试安装挂起的更新。
选项 2：通过 DISM(Option 2: Via DISM)
部署映像服务(Deployment Image Servicing)和管理(Management)或DISM是Windows 10操作系统中包含的命令行应用程序。它有助于修复或修改系统映像。当SFC(SFC)命令无法修复损坏或更改的系统文件时，通常使用它。
1.像我们之前所做的那样，以管理员(administrator)权限启动命令提示符。(Command Prompt)
2. 输入命令: dism /online /cleanup-image /startcomponentcleanup 并 回车(Enter )执行。
注意：(Note:)不要在命令运行时关闭窗口。
3. 重新启动(Restart)计算机以确认更改。
方法 4：禁用防病毒软件(Method 4: Disable Antivirus)
已知第三方(Third-party)软件（例如防病毒程序）会导致各种问题。通常(Often)，防病毒软件会错误地将您计算机上的程序和应用程序列入黑名单和/或阻止。由于您的台式机/笔记本电脑上安装了第三方防病毒软件，Windows Update服务可能无法执行所需的任务。(Windows Update)
在这里，我们将讨论如何禁用卡巴斯基(Kaspersky)防病毒软件。
注意：(Note:)可以使用任何防病毒软件执行类似的步骤。
1.从主屏幕(home screen)单击任务栏上的向上(upward) 箭头(arrow)以调出隐藏图标。
2. 接下来，右键单击卡巴斯基(Kaspersky)防病毒图标并选择暂停保护(Pause protection)，如图所示。
3.从三个可用的备选方案中选择您希望暂停保护的时间段。(time period)
4. 最后，单击暂停保护( Pause protection)以暂时禁用卡巴斯基。
现在，检查更新是否顺利进行。如果是，请卸载您的防病毒软件并选择一个不会与Windows 操作系统(Windows OS)发生冲突的软件。如果没有，则继续下一个方法。
另请阅读：(Also Read: )修复 Windows 更新错误 0x80070643(Fix Windows Update Error 0x80070643)
方法 5：下载最新的 KB 更新(Method 5: Download the latest KB Update)
您还可以尝试从Microsoft 更新目录(Microsoft Update Catalog)下载最新更新。由于它包括经常报告的问题及其解决方案，这有助于解决Windows更新错误 0x800704c7。
1.同时按Windows + I键打开电脑上的设置。(Settings)
2. 单击更新和安全(Update & Security )部分，如图所示。
3. 点击查看更新历史(View update history)，如下图所示。
4. 从最新的 KB 复制代码，如下所示。
5. 导航到Microsoft Update 网站(Microsoft Update website)并查找 KB 代码。
6.下载适用于您的(Download)Windows版本 的特定 KB 。
7. 下载完成后，双击文件进行安装(install )。在提示安装它时按照屏幕上的说明进行操作。
这肯定会修复Windows更新错误 0x800704c7。如果没有，请尝试后续方法。
方法 6：使用媒体创建工具(Method 6: Use the Media Creation tool)
安装Windows(Windows)更新的另一种方法是使用媒体创建工具(Media Creation Tool)。它允许用户将他们的系统升级到最新版本，而不会影响他们的任何个人数据。
1. 访问微软网站并下载媒体创建工具(download the Media Creation Tool)。
2. 然后，运行(Run)下载的文件。
3. 同意服务(Service)条款后，选择立即升级此电脑(Upgrade this PC now)。
4. 选择保留个人文件(Keep Personal Files)以确保它们不会被覆盖。
最后，等待该过程完成。这应该可以修复 Windows 更新错误 0x800704c7。( fix Windows update error 0x800704c7.)
方法 7：执行系统还原(Method 7: Perform a System Restore)
如果上述方法均不适合您，则剩下的唯一选择是执行系统还原(perform a System Restore)。此过程会将您的系统返回到以前的状态，即错误不存在的时间点。
1. 按Windows Key + S调出搜索菜单，然后搜索控制面板(Control Panel )，如图所示。
2. 在控制面板 搜索框中(search box)，输入Recovery并按 Enter。
3. 单击恢复窗口中的打开系统还原(Open System Restore )。
4. 现在，按照系统还原(System Restore)向导的提示，单击下一步(Next)。
5. 在现在弹出的窗口中，选择选择不同的还原点(Choose a different restore point )，然后单击下一步(Next)。
6. 现在，选择计算机正常工作的较早日期和时间。(date and time)如果您没有看到以前的还原点，请选中“显示更多还原点(Show more restore points)”。
7. 系统默认选择自动还原点，(Automatic Restore Point, )如下图。您也可以选择继续使用此选项。
8. 重新启动计算机并验证更改是否发生。
常见问题 (FAQ)(Frequently Asked Questions (FAQ))
Q1。Windows 10 会自动安装更新吗？(Q1. Does Windows 10 install updates automatically?)
默认情况下，Windows 10 会自动升级操作系统。但是，手动确保不时更新操作系统会更安全。
Q2。什么是错误代码 0x800704c7？(Q2. What is error code 0x800704c7?)
当计算机不稳定并且关键系统文件停止响应或被忽略时，通常会出现错误 0x800704c7。当防病毒应用程序阻止 Windows 安装更新时，也会发生这种情况。
Q3。为什么 Windows 更新需要这么长时间？(Q3. Why is the Windows update taking so much time?)
此问题可能是由计算机上的过时或错误驱动程序引起的。这些可能会减慢下载速度，使Windows更新比平时花费更长的时间。您必须升级驱动程序才能解决此问题。
受到推崇的：(Recommended:)
我们希望本指南对您有所帮助，并且您能够修复 Windows 更新错误 0x800704c7(fix Windows update error 0x800704c7)。让我们知道哪种方法适合您。如果您有任何疑问/建议，请将它们放在评论框中。
Fix Windows Update Error 0x800704c7
Do you get the Windows Update Error 0x800704c7 while installing Windows update?
The problem mostly occurs when your Windows operating system is being updated. However, it can be that your system is unable to search for updates or is unable to install them. Either way, in this guide, we are going to fix the error 0x800704c7.
What Causes Windows Update Error 0x800704c7?
Although this error can be caused by multiple reasons, the most prominent ones are:
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Background processes interfering with the operating system procedures.
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Missing or corrupt OS files can cause error 0x800704c7.
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Conflict with third-party applications can cause Windows update errors.
How to Fix the Windows Update Error 0x800704c7?
Method 1: Wait for stuck updates to end
Sometimes, the update may get delayed due to server-side issues or a slow internet connection. You can check for pending updates in the Update & Security tab in the Settings window. Therefore, if your update is stuck, you can wait it out.
Method 2: Run SFC scan
Since this issue is frequently triggered by missing or corrupt system files, we will attempt to run an in-built tool to identify and fix them.
1. Type cmd in the search bar to bring up Command Prompt in the search results.
2. Choose Run as administrator as shown.
3. When the console appears, enter the sfc/scannow command and press Enter.
4. Restart your computer once the scan is completed.
You can now attempt to install the Windows update again. If the issue persists, proceed to the method listed below.
Also Read: Fix Restore Point Not Working in Windows 10
Method 3: Clean Windows Components
Sometimes overloaded Windows library can also cause this issue. The library gets stuffed with unnecessary files over a prolonged period of time. Therefore, it is recommended to clear these on periodic intervals.
Option 1: Via Task Manager
1. Press Windows + R keys together to bring up the Run box.
2. Type taskschd.msc and click on OK, as shown.
3. Navigate to Task Scheduler Library > Microsoft > Windows > Servicing as depicted below.
4. Now, click on StartComponentCleanup. Then, click on Run in the right-pane as shown.
Let the process finish, then restart the computer and try to install the pending updates.
Option 2: Via DISM
Deployment Image Servicing and Management or DISM is a command-line application included in Windows 10 operating system. It helps to repair or modify system images. It is often used when the SFC command fails to fix corrupt or altered system files.
1. Launch Command Prompt with administrator rights, as we did earlier.
2. Type the command: dism /online /cleanup-image /startcomponentcleanup and hit Enter to execute it.
Note: Do not close the window while the command is running.
3. Restart the computer to confirm the changes.
Method 4: Disable Antivirus
Third-party software, such as antivirus programs, has been known to cause various problems. Often, antivirus software mistakenly blacklists and/or block programs & applications on your computer. It is probable that Windows Update services are unable to perform the required task because of third-party antivirus software installed on your desktop/laptop.
Here, we will discuss how to disable the Kaspersky antivirus.
Note: Similar steps can be performed with any antivirus software.
1. Click the upward arrow on the taskbar from the home screen to bring up hidden icons.
2. Next, right-click on the Kaspersky antivirus icon and choose Pause protection, as depicted.
3. Select the time period over which you want the protection to be suspended from the three available alternatives.
4. Finally, click Pause protection to disable Kaspersky temporarily.
Now, check if updates are taking place smoothly. If they are, then uninstall your antivirus software and choose one which doesn’t cause conflicts with Windows OS. If not, then proceed to the next method.
Also Read: Fix Windows Update Error 0x80070643
Method 5: Download the latest KB Update
You can also try downloading the latest update from the Microsoft Update Catalog. Since it includes frequently reported issues & their solutions, this can prove to be helpful in solving Windows update error 0x800704c7.
1. Open Settings on the computer by pressing Windows + I keys together.
2. Click Update & Security section as shown.
3. Click on View update history as shown below.
4. Copy the code from the latest KB as depicted below.
5. Navigate to the Microsoft Update website and look for the KB code.
6. Download the particular KB for your Windows version.
7. When the download is complete, double-click the file to install it. Follow the on-screen instructions as and when prompted to install it.
This should definitely fix the Windows update error 0x800704c7. If it does not, then try the succeeding methods.
Method 6: Use the Media Creation tool
Another alternative to installing Windows updates is using the Media Creation Tool. It allows users to upgrade their system to the latest version without affecting any of their personal data.
1. Go to the Microsoft website and download the Media Creation Tool.
2. Then, Run the downloaded file.
3. After agreeing to the Terms of Service, choose to Upgrade this PC now.
4. Select Keep Personal Files to ensure that they are not overwritten.
Finally, wait for the process to finish. This should fix Windows update error 0x800704c7.
Method 7: Perform a System Restore
If none of the above-mentioned methods have worked for you, the only option left is to perform a System Restore. This process will return your system to a previous state, to a point in time in which the error didn’t exist.
1. Press Windows Key + S to bring up the search menu then search for Control Panel as shown.
2. In the Control Panel search box, type Recovery and hit Enter.
3. Click on Open System Restore in the Recovery window.
4. Now, follow the System Restore wizard prompts and click on Next.
5. In the window that now pops up, select Choose a different restore point and click Next.
6. Now, select an earlier date and time where the computer was working fine. If you don’t see previous restore points, then checkmark “Show more restore points.”
7. By default, the system will choose Automatic Restore Point, as illustrated below. You can choose to continue with this option as well.
8. Restart the computer and verify if the changes have taken place.
Frequently Asked Questions (FAQ)
Q1. Does Windows 10 install updates automatically?
By default, Windows 10 upgrades the operating system automatically. It is, however, safer to ensure manually that OS is updated from time to time.
Q2. What is error code 0x800704c7?
Error 0x800704c7 typically appears when the computer is unstable and key system files cease to respond or are overlooked. It can also occur when an anti-virus application prevents Windows from installing updates.
Q3. Why is the Windows update taking so much time?
This problem can be caused by out-of-date or faulty drivers on your computer. These may slow down the download speed, making Windows updates take considerably longer than usual. You must upgrade your drivers to fix this issue.
Recommended:
We hope that this guide was helpful and you were able to fix Windows update error 0x800704c7. Let us know which method worked for you. If you have any queries/ suggestions, drop them in the comment box.
