Why is my C console output blank in Visual Studio 2015?

Troubleshooting Blank Console Output in C

If you're encountering an empty console after running a C program in Visual Studio 2015, despite having a successful build, several factors could be at play.

Avast Antivirus Interference

Avast antivirus has been linked to this issue for various platforms, including gcc/mingw/cygwin. If you're using Avast, disable it temporarily and re-run your program.

Exclusion for Project Directory

If disabling Avast resolves the problem, consider adding an exclusion for your Visual Studio Projects directory in Avast's settings. This prevents Avast from interfering with your program's execution.

Other Causes

Beyond Avast interference, the following could also contribute to a blank console output:

• File input/output (I/O) errors: Check the program's I/O operations and ensure they are handled correctly.
• Debugging mode issues: Consider stepping through your code in debug mode to identify potential errors or execution bottlenecks.
• Platform-specific issues: Ensure that your code is compatible with your system configuration, such as appropriate library dependencies and operating system compatibility.

Additional Troubleshooting Steps

• Double-check your code for any logical or syntax errors.
• Try running a simple "hello world" program to verify that the issue is not specific to a particular code block.
• Clear your project's build and rebuild it to rule out cache issues.
• Reinstall or update your C compiler and runtime libraries.

By considering these potential causes and implementing the troubleshooting steps outlined above, you should be able to resolve the issue and display the desired output in the console.

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