Why Is My C Console Output Empty in Visual Studio 2015?

Troubleshooting Empty Console Output in C Programs

In Visual Studio 2015, some users encounter an empty console when running C code, despite a successful build with no errors. This issue appears to affect even simple "hello world" programs.

While reinstalling Visual Studio may not resolve the problem, users should consider the following potential solution:

Check Antivirus Settings

Recent reports indicate that Avast antivirus software can interfere with C program execution. Disabling Avast has been known to fix the empty console issue.

To resolve this:

1. Disable Avast temporarily.
2. Run your C program.

If the problem disappears, you can:

• Add an exclusion to your antivirus software for the "Visual Studio 2015Projects" directory.
• File a bug report with Avast.
• Consider switching to a different antivirus solution.

Remember to note that this issue has also been observed with gcc/mingw/cygwin users, potentially indicating a broader compatibility concern.

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