Why am I getting the \"MSVCP140.dll is Missing\" Error When Running My C Program?

Addressing the "MSVCP140.dll is Missing" Error

When developing C programs and sharing them with others, users may encounter the runtime error "MSVCP140.dll is missing." This issue arises due to the absence of a specific runtime library needed to execute C applications.

Resolution:

To resolve this error, there are two primary solutions:

• Install the Microsoft Visual C Redistributable: Users can download and install the Microsoft Visual C Redistributable for Visual Studio 2015-2019, which includes the missing MSVCP140.dll.
• Compile with Static Linking: Instead of relying on external DLLs, developers can choose to compile their applications with static linking. This embeds the runtime library directly into the executable file. In Visual Studio, navigate to Project > Properties > Configuration Properties > C/C > Code Generation. Set "Runtime Library" to "/MTd" for Debug mode and "/MT" for Release mode.

Advantages of Static Linking:

• Eliminates the dependency on external DLLs.
• Increases the size of the executable but ensures it can run on any system without any missing DLL issues.

Additional Considerations:

• Verify that the version of the Microsoft Visual C Redistributable installed matches the version used to compile the program.
• Ensure that the program is not being blocked by antivirus or firewall software.

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