UserInterface.cpp müsait bi yere ekle:
bool genMutex(int id)
{
std::string mutex_name = "MultiBoxBlock";
mutex_name.push_back(id);
HANDLE Mutex = OpenMutexA(MUTEX_ALL_ACCESS, 1, mutex_name.c_str());
if (!Mutex || WaitForSingleObject(Mutex,500) == WAIT_ABANDONED)
{
CreateMutexA(0, 1...