How to Fix the \'MSVCP140.dll is Missing\' Error in C Programs?

MSVCP140.dll Missing: Troubleshooting and Resolution

When attempting to execute a compiled C program, users may encounter an error message stating "MSVCP140.dll is missing." This issue arises because MSVCP140.dll, an essential runtime library for C applications, is absent from the system or is not properly configured. To resolve this problem, we can explore two primary solutions:

Distributing the Runtime DLL

One approach is to ensure that the target user has the necessary MSVCP140.dll file installed. This file can be downloaded from the Microsoft website and placed in the same folder as the executable file. Alternatively, it can be added to the system PATH variable to make it accessible from any location.

Compiling with Static Linking

For a more permanent fix, the program can be recompiled with static linking. This process embeds the runtime library directly into the executable, eliminating the need for external DLLs. To achieve this in Visual Studio:

1. Navigate to the Project tab.
2. Select "Properties" from the menu.
3. Under "Configuration Properties," expand "C/C ."
4. Choose "Code Generation."
5. For the "Runtime Library" setting, select "/MTd" for debug mode and "/MT" for release mode.

This configuration instructs the compiler to include the runtime library as part of the compiled executable, resulting in a slightly larger but self-contained program that does not rely on external DLLs. By implementing either of these solutions, the "MSVCP140.dll missing" error can be addressed, allowing users to successfully execute the C program on systems without the required runtime DLL.

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