修复 Windows 10 中的无效 MS-DOS 功能错误

修复 Windows 10 ^{(Fix Invalid MS-DOS function error in Windows 10: )}中的无效 MS-DOS 功能错误：如果您在尝试移动、复制、删除或重命名文件或文件夹时遇到无效的 MS-DOS 功能^{(Invalid MS-DOS function)}错误，那么您来对地方了，就像今天我们要讨论的那样关于如何解决问题。该错误^{(error doesn)}甚至不允许将文件从一个文件夹复制到另一个文件夹，即使您尝试删除一些旧图片，您也可能会遇到相同的错误消息^{(error message)}。这些文件没有只读属性或隐藏和安全设置相同，因此对于普通^{(attribute or hidden)}Windows用户来说，这个问题本身就很神秘。

修复 Windows 10 中的无效 MS-DOS 功能错误

有时文件可能完全损坏，这就是显示错误的原因。此外，如果您尝试将文件从NTFS 文件^{(NTFS file)}系统复制到FAT 32 ，您将面临同样的错误，在这种情况下，您需要遵循本文^{(this article)}。现在，如果以上所有内容都不适合您，那么您可以按照以下指南^{(below guide)}修复^{(Fix Invalid MS-DOS function)}Windows 10中的无效 MS-DOS 功能错误。

Windows 10中的无效MS-DOS 功能错误^{(MS-DOS Function Error)}[已解决]

确保^(Make)创建一个还原点^{(restore point)} 以防万一^{(case something)}出现问题。

方法 1：对驱动器进行碎片整理和优化^{(Method 1: Defragment and Optimize Drives)}

1.打开控制面板，然后点击系统和安全。^{(System and Security.)}

单击系统和安全下的查找并修复问题

2.从系统和安全^{(System and Security)}单击管理工具。^{(Administrative Tools.)}

在控制面板搜索中键入管理并选择管理工具。

3.单击碎片整理和优化驱动器^{(Defragment and Optimize Drives)}以运行它。

从管理工具中选择碎片整理和优化驱动器

4.一一选择您的驱动器，然后单击分析^(Analyze)，然后单击优化。^(Optimize.)

一一选择您的驱动器，然后单击分析，然后单击优化

5.让进程运行^{(process run)}，因为它需要一些时间。

6.重新启动您的 PC 以保存更改，并查看您是否能够 修复 Windows 10 中的无效 MS-DOS 功能错误。^{( Fix Invalid MS-DOS function error in Windows 10.)}

方法 2：注册表修复^{(Method 2: Registry Fix)}

在继续之前备份^(Backup)您的注册表。

1.按 Windows 键 + R 然后键入regedit并按 Enter。

运行命令 regedit

2.导航到以下注册表项^{(registry key)}：

HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows\System

3.右键单击系统^(System)，然后选择New > DWORD (32-bit) value.

右键单击系统，然后选择新建并选择 DWORD（32 位）值

4.将此 DWORD 命名为CopyFileBufferedSynchronousIo并双击它以将其值更改为 1。^{(value to 1.)}

将此 DWORD 命名为 CopyFileBufferedSynchronousIo 并双击它以将其值更改为 1

5.退出注册表并重新启动您的 PC 以保存更改。再次^(Again)查看您是否能够修复Windows 10中^{(Windows 10)}的无效 MS-DOS 功能^{(Fix Invalid MS-DOS function)}错误，如果不能，则继续下一个方法。

方法 3：运行 CHKDSK^{(Method 3: Run CHKDSK)}

1.按Windows Key + X然后选择命令提示符（管理员）。^{(Command Prompt (Admin).)}

命令提示符管理员

2.在 cmd 中键入以下命令并按Enter：

chkdsk C: /f /r /x

运行检查磁盘 chkdsk C: /f /r /x

注意：^(Note:) 确保^{(Make sure)}使用当前安装Windows的^(Windows)驱动器号^{(drive letter)}。同样在上面的命令中 C: 是我们要运行检查磁盘^{(check disk)}的驱动器，/f 代表一个标志，它 chkdsk 有权修复与驱动器相关的任何错误，/r 让 chkdsk 搜索坏扇区并执行recovery and /x指示检查磁盘^{(check disk)}在开始该过程之前卸载驱动器。

3.接下来，从这里运行 CHKDSK 使用检查磁盘实用程序 (CHKDSK) 修复文件系统错误。^{(Fix File System Errors with Check Disk Utility(CHKDSK).)}

4.重新启动您的 PC 以保存更改。

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就是这样，您已成功修复 Windows 10 中的无效 MS-DOS 功能错误，^{(Fix Invalid MS-DOS function error in Windows 10)}但如果您对本指南仍有任何疑问，请随时在评论部分询问。

Invalid MS-DOS Function Error in Windows 10 [SOLVED]

Fix Invalid MS-DOS function error in Windows 10: If you are facing the Invalid MS-DOS function error while trying to move, copy, delete, or rename files or folders then you are at the right place as today we are going to discuss on how to resolve the issue. The error doesn’t even let copy files from one folder to another and even if you try to delete some old pictures, chances are you will face the same error message. The files doesn’t have a read-only attribute or hidden and security settings are same, so the issue is quite mysterious itself for a normal Windows users.

Fix Invalid MS-DOS function error in Windows 10

Sometimes it may be possible that the file may be altogether corrupted and that’s why the error is shown. Also, you will face the same error if you will try to copy files from NTFS file system to FAT 32 and in that case you need to follow this article. Now if the all of the above is not true for you then you can follow the below guide to Fix Invalid MS-DOS function error in Windows 10.

Invalid MS-DOS Function Error in Windows 10 [SOLVED]

Make sure to create a restore point just in case something goes wrong.

Method 1: Defragment and Optimize Drives

1.Open Control Panel then click on System and Security.

Click Find and fix problems under System and Security

2.From System and Security click on Administrative Tools.

Type Administrative in the Control Panel search and select Administrative Tools.

3.Click on Defragment and Optimize Drives in order to run it.

From Administrative Tools select Defragment and Optimize Drives

4.Select your drives one by one and click on Analyze followed by Optimize.

Select your drives one by one and click on Analyze followed by Optimize

5.Let the process run as it’s going to take some time.

6.Reboot your PC to save changes and see if you’re able to Fix Invalid MS-DOS function error in Windows 10.

Method 2: Registry Fix

Backup your registry before continuing.

1.Press Windows Key + R then type regedit and hit Enter.

Run command regedit

2.Navigate to the following registry key:

HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows\System

3.Right-click on System then select New > DWORD (32-bit) value.

Right-click on system then select New and choose DWORD (32 bit) value

4.Name this DWORD as CopyFileBufferedSynchronousIo and double click on it to change it’s value to 1.

Name this DWORD as CopyFileBufferedSynchronousIo and double click on it to change it's value to 1

5.Exit registry and reboot your PC to save changes. Again see if you’re able to Fix Invalid MS-DOS function error in Windows 10 or not, if not then continue with the next method.

Method 3: Run CHKDSK

1.Press Windows Key + X then select Command Prompt (Admin).

command prompt admin

2.Type the following command in cmd and hit Enter:

chkdsk C: /f /r /x

run check disk chkdsk C: /f /r /x

Note: Make sure you use the drive letter where Windows is currently installed. Also in the above command C: is the drive on which we want to run check disk, /f stands for a flag which chkdsk the permission to fix any errors associated with the drive, /r let chkdsk search for bad sectors and perform recovery and /x instructs the check disk to dismount the drive before beginning the process.

3.Next, run CHKDSK from here Fix File System Errors with Check Disk Utility(CHKDSK).

4.Reboot your PC to save changes.

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That’s it, you have successfully Fix Invalid MS-DOS function error in Windows 10 but if you still have any queries regarding this guide then feel free to ask them in the comment’s section.

瑛武

About the author

我是一名专业的音频工程师，拥有超过 10 年的经验。我参与过各种各样的项目，从小型家庭音响系统到大型商业制作。我的技能在于创造出色的配乐和声音处理工具，让音乐听起来很棒。我对 Windows 10 也非常有经验，可以帮助您充分利用您的计算机系统。

Windows 10 中的无效 MS-DOS 功能错误 [已解决]