许多用户在尝试复制文件时遇到错误，提示错误 0x800704C8：无法对打开了用户映射部分的文件执行请求的操作。^{(Error 0x800704C8: The Requested operation cannot be performed on a file with a user-mapped section open. )}此错误通常是由于缺少权限或第三方应用程序干扰您的权限。在本文中，我们将借助一些简单的解决方案来修复此错误。

错误 0x800704C8，无法执行请求的操作

这些是您可以在复制文件时修复错误 0x800704C8的方法：^{(Error 0x800704C8)}

1. 取得文件或文件夹的所有权
2. 禁用或卸载防病毒软件
3. ^{(Run Visual Studio)}以管理员身份运行 Visual Studio
4. 运行文件和文件夹疑难解答
5. 运行系统文件检查器。

让我们详细谈谈它们。

1]取得文件^(File)或文件夹^(Folder)的所有权

第一个解决方案很明显，错误是因为缺少权限，让我们给它足够的权限。如果您正在尝试复制文件或文件夹，请获得该文件或文件夹的所有权^{(take ownership of that)}并查看它是否可以解决问题。

为此，请右键单击您要拥有所有权的文件或文件夹，转到“安全 ^(Security )”选项卡，然后从“组^(Groups)和其他用户”中检查您是否有足够的权限，如果没有，请选择用户^(User)并单击“编辑”。 ^(Edit. )勾选 完全控制 ^{(Full Control )}的“允许”，您就可以开始了。

一种更简单的方法是使用我们的便携式免费软件Ultimate Windows Tweaker将文件或文件夹的所有权^{(Take ownership of the File or Folder)(Take ownership of the File or Folder)}添加到您的上下文菜单中，然后单击即可获得所有权。

现在，尝试复制文件，希望您不会遇到错误 0x800704C8^{(Error 0x800704C8)}。

2]禁用防病毒

如果您有第三方应用程序，请在复制文件时尝试禁用它一段时间。

如果您在使用Hyper-V^(Hyper-V)时遇到此错误，这将特别有用。

3]以管理员身份运行Visual Studio^{(Run Visual Studio)}

如果要从 Visual Studio移动文件，则需要确保它具有管理员权限。

如果您不确定，在启动应用程序时，右键单击它并选择以管理员身份运行。^{(Run as administrator.)}

4]运行文件^{(Run Files)}和文件夹疑难解答^{(Folder Troubleshooter)}

如果上述解决方案都无法解决您的问题，请尝试运行文件和文件夹疑难解答来解决问题。

运行疑难解答并按照屏幕上的说明使用它。

对文件^(Files)和文件夹^(Folder)进行故障排除后，检查问题是否仍然存在。

5]运行系统文件检查器

问题可能是由于系统文件损坏。因此，我们需要运行 SFC来解决这个问题。

以管理员身份启动 命令提示符 ^{(Command Prompt )}，键入以下命令并按 Enter：

sfc /scannow

现在，重新启动计算机并检查它是否解决了问题。

希望您能够使用这些解决方案修复“复制文件时出现错误 0x800704C8，无法执行请求的操作”。

相关：^{(Related: )}复制文件或文件夹时出现未指定的错误。

Error 0x800704C8 when copying Files, Operation cannot be performed

Many users are experiencing an error when they try to copy a file, sayіng Error 0x800704C8: The Requested operation cannot be performed on a file with a user-mapped section open. This error is usually because of lack of permission or if a third-party application is interfering with your privilege. In this article, we are going to fix this error with the help of some simple solutions.

Error 0x800704C8, Requested operation cannot be performed

These are the things you can do to fix Error 0x800704C8 when copying Files:

1. Take ownership of the file or folder
2. Disable or Uninstall Antivirus
3. Run Visual Studio as an administrator
4. Run Files and Folder Troubleshooter
5. Run System File Checker.

Let us talk about them in detail.

1] Take ownership of the File or Folder

The first solution is pretty obvious, the error is because of lack of permission, let’s give it adequate permission. If you are trying to copy a file or folder, take ownership of that and see if it fixes the issue.

To do that, right-click on the file or folder you want to take ownership of, go to the Security tab, and from “Groups and other users” check if you have adequate permission, if not, select the User and click Edit. Tick “Allow” of Full Control and you are good to go.

An easier way would be to add Take ownership of the File or Folder to your context menu using our portable freeware Ultimate Windows Tweaker and then take ownership with a click.

Now, try copying the file, hopefully, you won’t face Error 0x800704C8.

2] Disable Antivirus

If you have a third-party application, try disabling it for a while as you copy the file.

This can be especially useful if you face this error when using Hyper-V.

3] Run Visual Studio as an administrator

If you are moving a file from Visual Studio, you need to make sure that it has administrator privileges.

If you are not sure about that, while launching the application, right-click on it and select Run as administrator.

4] Run Files and Folder Troubleshooter

If none of the above-mentioned solutions is able to fix your issue, try running Files and Folder Troubleshooter to fix the issue.

Run the troubleshooter and follow the on-screen instructions to use it.

After troubleshooting Files and Folder, check if the issue persists.

5] Run System File Checker

The problem can be because of a corrupt system file. Therefore, we need to run SFC to fix the issue.

Launch Command Prompt as an administrator, type the following commands and hit Enter:

sfc /scannow

Now, restart your computer and check if it fixes the issue.

Hopefully, you are able to fix “Error 0x800704C8 when copying Files, Requested operation cannot be performed” with these solutions.

Related: Unspecified error when copying a file or folder.

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