某些应用程序或游戏需要MSVCR71.dll文件才能正常工作。如果文件丢失，您会看到以下错误消息 –程序无法启动，因为您的计算机中缺少 MSVCR71.dll，请尝试重新安装程序以解决此问题^{(The program can’t start because MSVCR71.dll is missing from your computer, Try reinstalling the program to fix this problem)}。让我们看看如何解决这个问题。

MSVCR71.dll 丢失

IIS 或Internet Information Services是为Windows Server设计的 Web 服务器软件包。它依赖于具有MSVCR71.dll库等功能的库来托管ASP.NET、PHP和其他类型的 Web 应用程序。PHP在IIS服务器上运行需要MSVCR71.dll库。^{(MSVCR71.dll)}该文件可能会因损坏或删除相应的DLL文件而丢失。要解决这个问题，

1. 重新安装程序
2. 从回收站恢复 msvcr71.dll^{(Recycle Bin)}
3. 获取正版文件替换
4. Reinstall Visual C++ Redistributable
5. 编辑注册表编辑器设置。

让我们详细探讨一下上述方法。

1]重新安装程序

重新安装启动时出现此错误的程序，看看它是否有帮助。

2]从回收站^{(Recycle Bin)}恢复msvcr71.dll^(Restore)

如前所述，文件可能会因意外删除而丢失。因此，您或您计算机上的程序很有可能删除了该文件，并将其推送到回收站^{(Recycle Bin)}。如果您还没有完全清空垃圾箱，您可以尝试在垃圾箱中搜索并恢复它（如果找到）。

3]获取正版文件替换

从 Internet下载 丢失的 dll 文件^{(missing dll file)}并将其粘贴到特定位置是安全的。您可以尝试该方法，但您可能不会从中获得任何积极的结果。看看你能不能从微软下载^{(download it from Microsoft)}。这是一个安全的选择。

否则，在其他服务器甚至客户端计算机上搜索丢失的文件 ( MSVCR72.dll )。

如果找到它，请将其复制到C:\Windows\SysWOW64文件夹。

4]Reinstall Visual C++ Redistributable

为您的系统安装^(Installing)（或重新安装）正确版本的Visual C++ Redistributable可能会解决此问题。

5]编辑^(Edit)注册表编辑^{(Registry Editor)}器设置

如果上述方法不起作用并且您仍然收到此错误，请尝试此注册表黑客。但是，请确保仅当您的特定 msvcr71.dll 错误与SQL Developer相关时才尝试此方法。此外，如果您对注册表编辑器^{(Registry Editor)}进行了错误的更改，可能会发生严重的变化。在继续之前创建备份。

打开“运行”对话框，键入Regedit并按 Enter。

当注册表编辑器^{(Registry Editor)}打开时，导航到以下路径地址 -

HKEY_LOCAL_MACHINE/ SOFTWARE/ Microsoft/ Windows/ CurrentVersion/ App Paths.

添加一个名为sqldeveloper.exe

创建一个名为 的新字符串值Path。

将其值配置为sqldeveloper pathway + \jdk\jre\bin。

关闭注册表编辑器并退出。

重新启动计算机以使更改生效。

相关错误^{(Related errors)}：

• MSVCP140.dll 丢失^{(MSVCP140.dll is missing)}
• MSVCR110.dll 丢失^{(MSVCR110.dll is missing)}。如果MSVCR100.dll^{(MSVCR100.dll)}、  MSVCR71.dll或 MSVCR120.dll 也丢失，这些建议将适用 。

MSVCR71.dll is missing from Windows 10 computer

Some applications or games require the MSVCR71.dll file to work properly. If the file goes missing, you see the following error message – The program can’t start because MSVCR71.dll is missing from your computer, Try reinstalling the program to fix this problem. Let us see how to resolve this issue.

MSVCR71.dll is missing

IIS or Internet Information Services is a web server software package designed for Windows Server. It relies on libraries with functions like MSVCR71.dll library to host ASP.NET, PHP, and other types of web applications. MSVCR71.dll library is required for PHP to run on an IIS server.  The file can go missing due to corruption, or deletion of the respective DLL file. To fix it,

1. Reinstall the program
2. Restore msvcr71.dll from the Recycle Bin
3. Get a genuine file replacement
4. Reinstall Visual C++ Redistributable
5. Edit the Registry Editor settings.

Let’s explore the above methods in a bit of detail.

1] Reinstall the program

Reinstall the program that is giving you this error when starting and see if it helps.

2] Restore msvcr71.dll from the Recycle Bin

As mentioned earlier, the file can go missing due to accidental deletion. So, it is quite possible that you or a program on your computer deleted the file, pushing it to the Recycle Bin. If you have not emptied the bin completely, you can try searching for the same in the bin and restore it, if found.

3] Get a genuine file replacement

Downloading the missing dll file from the internet and pasting it to a particular place is safe. You can try that method, but you may not get any positive result from it. See if you ou can download it from Microsoft. This is a safe option.

Else, search for the missing file (MSVCR72.dll) on other servers and even client machines.

If you find it, copy it to the C:\Windows\SysWOW64 folder.

4] Reinstall Visual C++ Redistributable

Installing (or reinstalling) the correct version of Visual C++ Redistributable for your system may resolve the issue.

5] Edit the Registry Editor settings

If the above methods fail to work and you are still getting this error, try this registry hack. However, make sure you try out this method only when your particular msvcr71.dll error is related to SQL Developer. Also, serious changes can occur if you make changes to the Registry Editor incorrectly. Create a backup before proceeding further.

Open the Run dialog box, type Regedit and hit enter.

When the Registry Editor opens, navigate to the following path address –

HKEY_LOCAL_MACHINE/ SOFTWARE/ Microsoft/ Windows/ CurrentVersion/ App Paths.

add a new KEY called sqldeveloper.exe

Create a new STRING VALUE called Path.

Configure its value to the sqldeveloper pathway + \jdk\jre\bin.

Close the Registry Editor and exit.

Restart your computer to allow the changes to take effect.

Related errors:

• MSVCP140.dll is missing
• MSVCR110.dll is missing. These suggestions will apply if MSVCR100.dll, MSVCR71.dll, or MSVCR120.dll is missing as well.

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