Why Does My C Visual Studio 2015 Console Go Blank After Execution?

Visual Studio Console Issue: Blank Console After Running C Code

While attempting to execute C code in Visual Studio 2015, some users have encountered an enigmatic issue characterized by an empty console after successful compilation. This phenomenon, accompanied by a flashing underscore, suggests that the application has not frozen. Moreover, debugging the program leads to a complete freeze within Visual Studio.

Intriguingly, users have employed basic "hello world" code to replicate the problem:

#include <iostream>
int main()
{
    std::cout << "hello world!\n";
    return 0;
}

Reinstalling Visual Studio and testing other programming languages (such as Python and C#) have yielded no solution.

A Surprising Culprit: Avast Antivirus

After delving into the user's inquiry, the potential culprit emerged: Avast antivirus. Users who have encountered this issue suspect Avast's participation.

Solution: Disable or Exclude Avast

To resolve this vexing problem, consider disabling Avast temporarily and then executing your program. If this restores functionality, it is recommended to add an exclusion for the "Visual Studio 2015Projects" directory to prevent future interference. Filing a bug report with Avast or exploring alternative antivirus software may also prove beneficial.

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