C / C++ / MFC

 STARTUPINFO si;
    PROCESS_INFORMATION pi;

    ZeroMemory( &si, sizeof(si) );
    si.cb = sizeof(si);
	
    ZeroMemory( &pi, sizeof(pi) );
	

	if( CreateProcess(NULL,   // No module name (use command line)
       "C:\\Windows\\MsHta.exe SetupGUI.hta"    // Command line
,
        NULL,           // Process handle not inheritable
        NULL,           // Thread handle not inheritable
        FALSE,          // Set handle inheritance to FALSE
        0,              // No creation flags
        NULL,           // Use parent's environment block
        NULL,           // Use parent's starting directory 
        &si,            // Pointer to STARTUPINFO structure
        &pi            // Pointer to PROCESS_INFORMATION structure
		))
	{

	// Wait until child process exits.
    WaitForSingleObject(pi.hProcess, INFINITE );

    // Close process and thread handles. 
    CloseHandle( pi.hProcess );
    CloseHandle( pi.hThread );

input: 127.0.0.1
output: comp01

input: comp01
output: 127.0.0.1

Windows has triggered a breakpoint in myprog.exe.

This may be due to a corruption of the heap, which indicates a bug in myprog.exe or any of the DLLs it has loaded.

// create Thread:
CWinThread* cmythr= AfxBeginThread(controlfunc,params, THREAD_PRIORITY_HIGHEST, 0,CREATE_SUSPENDED,0);
if(NULL != cmythr)
{
	cmythr->ResumeThread();
}

// first -- check for simple worker thread
DWORD nResult = 0;
if (pThread->m_pfnThreadProc != NULL)
{
	nResult = (*pThread->m_pfnThreadProc)(pThread->m_pThreadParams);
	ASSERT_VALID(pThread);
}